Home / 736,139.70-1,015,866.68-413,851.23

Finding the Fourth Proportional to 736,139.70, 1,015,866.68 and 413,851.23

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Solution

The fourth proportional to 736,139.70, 1,015,866.68 and 413,851.23 is: 571,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,139.70 : 1,015,866.68 = 413,851.23 : x
  2. Step 2: Convert to fraction form
    736,139.70/1,015,866.68 = 413,851.23/x
  3. Step 3: Cross multiply
    736,139.70x = 1,015,866.68 × 413,851.23
  4. Step 4: Simplify right side
    736,139.70x = 420,417,672,964.76
  5. Step 5: Solve for x
    x = 420,417,672,964.76/736,139.70
  6. Step 6: Final answer
    x = 571,111.26

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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.