Home / 752,933.47-1,039,045.17-430,643.11

Finding the Fourth Proportional to 752,933.47, 1,039,045.17 and 430,643.11

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Solution

The fourth proportional to 752,933.47, 1,039,045.17 and 430,643.11 is: 594,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,933.47 : 1,039,045.17 = 430,643.11 : x
  2. Step 2: Convert to fraction form
    752,933.47/1,039,045.17 = 430,643.11/x
  3. Step 3: Cross multiply
    752,933.47x = 1,039,045.17 × 430,643.11
  4. Step 4: Simplify right side
    752,933.47x = 447,457,643,439.28
  5. Step 5: Solve for x
    x = 447,457,643,439.28/752,933.47
  6. Step 6: Final answer
    x = 594,285.77

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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.