Home / 1,255,346.10-1,883,019.15-413,694.90

Finding the Fourth Proportional to 1,255,346.10, 1,883,019.15 and 413,694.90

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Solution

The fourth proportional to 1,255,346.10, 1,883,019.15 and 413,694.90 is: 620,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,346.10 : 1,883,019.15 = 413,694.90 : x
  2. Step 2: Convert to fraction form
    1,255,346.10/1,883,019.15 = 413,694.90/x
  3. Step 3: Cross multiply
    1,255,346.10x = 1,883,019.15 × 413,694.90
  4. Step 4: Simplify right side
    1,255,346.10x = 778,995,418,957.34
  5. Step 5: Solve for x
    x = 778,995,418,957.34/1,255,346.10
  6. Step 6: Final answer
    x = 620,542.35

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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.