Home / 752,963.68-1,039,106.64-413,433.28

Finding the Fourth Proportional to 752,963.68, 1,039,106.64 and 413,433.28

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Solution

The fourth proportional to 752,963.68, 1,039,106.64 and 413,433.28 is: 570,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,963.68 : 1,039,106.64 = 413,433.28 : x
  2. Step 2: Convert to fraction form
    752,963.68/1,039,106.64 = 413,433.28/x
  3. Step 3: Cross multiply
    752,963.68x = 1,039,106.64 × 413,433.28
  4. Step 4: Simplify right side
    752,963.68x = 429,601,266,444.98
  5. Step 5: Solve for x
    x = 429,601,266,444.98/752,963.68
  6. Step 6: Final answer
    x = 570,547.13

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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.