Home / 716,947.20-1,074,124.80-417,182.40

Finding the Fourth Proportional to 716,947.20, 1,074,124.80 and 417,182.40

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Solution

The fourth proportional to 716,947.20, 1,074,124.80 and 417,182.40 is: 625,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,947.20 : 1,074,124.80 = 417,182.40 : x
  2. Step 2: Convert to fraction form
    716,947.20/1,074,124.80 = 417,182.40/x
  3. Step 3: Cross multiply
    716,947.20x = 1,074,124.80 × 417,182.40
  4. Step 4: Simplify right side
    716,947.20x = 448,105,961,963.52
  5. Step 5: Solve for x
    x = 448,105,961,963.52/716,947.20
  6. Step 6: Final answer
    x = 625,019.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.