Home / 1,046,590.70-1,569,886.05-288,430.70

Finding the Fourth Proportional to 1,046,590.70, 1,569,886.05 and 288,430.70

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Solution

The fourth proportional to 1,046,590.70, 1,569,886.05 and 288,430.70 is: 432,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,590.70 : 1,569,886.05 = 288,430.70 : x
  2. Step 2: Convert to fraction form
    1,046,590.70/1,569,886.05 = 288,430.70/x
  3. Step 3: Cross multiply
    1,046,590.70x = 1,569,886.05 × 288,430.70
  4. Step 4: Simplify right side
    1,046,590.70x = 452,803,332,321.74
  5. Step 5: Solve for x
    x = 452,803,332,321.74/1,046,590.70
  6. Step 6: Final answer
    x = 432,646.05

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Double scale
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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.