Home / 673,572.10-1,010,358.15-434,423.65

Finding the Fourth Proportional to 673,572.10, 1,010,358.15 and 434,423.65

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Solution

The fourth proportional to 673,572.10, 1,010,358.15 and 434,423.65 is: 651,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,572.10 : 1,010,358.15 = 434,423.65 : x
  2. Step 2: Convert to fraction form
    673,572.10/1,010,358.15 = 434,423.65/x
  3. Step 3: Cross multiply
    673,572.10x = 1,010,358.15 × 434,423.65
  4. Step 4: Simplify right side
    673,572.10x = 438,923,475,330.25
  5. Step 5: Solve for x
    x = 438,923,475,330.25/673,572.10
  6. Step 6: Final answer
    x = 651,635.48

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Half scale
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Double scale
Find fourth proportional to 673,573.10, 1,010,359.65 and 434,424.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.