Home / 955,938.69-1,319,225.13-520,385.04

Finding the Fourth Proportional to 955,938.69, 1,319,225.13 and 520,385.04

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Solution

The fourth proportional to 955,938.69, 1,319,225.13 and 520,385.04 is: 718,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,938.69 : 1,319,225.13 = 520,385.04 : x
  2. Step 2: Convert to fraction form
    955,938.69/1,319,225.13 = 520,385.04/x
  3. Step 3: Cross multiply
    955,938.69x = 1,319,225.13 × 520,385.04
  4. Step 4: Simplify right side
    955,938.69x = 686,505,022,044.06
  5. Step 5: Solve for x
    x = 686,505,022,044.06/955,938.69
  6. Step 6: Final answer
    x = 718,147.54

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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.