Home / 1,095,590.20-1,643,385.30-347,711.80

Finding the Fourth Proportional to 1,095,590.20, 1,643,385.30 and 347,711.80

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Solution

The fourth proportional to 1,095,590.20, 1,643,385.30 and 347,711.80 is: 521,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,590.20 : 1,643,385.30 = 347,711.80 : x
  2. Step 2: Convert to fraction form
    1,095,590.20/1,643,385.30 = 347,711.80/x
  3. Step 3: Cross multiply
    1,095,590.20x = 1,643,385.30 × 347,711.80
  4. Step 4: Simplify right side
    1,095,590.20x = 571,424,460,756.54
  5. Step 5: Solve for x
    x = 571,424,460,756.54/1,095,590.20
  6. Step 6: Final answer
    x = 521,567.70

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Double scale
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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.