Home / 943,101.50-1,301,480.21-513,384.86

Finding the Fourth Proportional to 943,101.50, 1,301,480.21 and 513,384.86

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Solution

The fourth proportional to 943,101.50, 1,301,480.21 and 513,384.86 is: 708,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,101.50 : 1,301,480.21 = 513,384.86 : x
  2. Step 2: Convert to fraction form
    943,101.50/1,301,480.21 = 513,384.86/x
  3. Step 3: Cross multiply
    943,101.50x = 1,301,480.21 × 513,384.86
  4. Step 4: Simplify right side
    943,101.50x = 668,160,239,940.78
  5. Step 5: Solve for x
    x = 668,160,239,940.78/943,101.50
  6. Step 6: Final answer
    x = 708,471.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.