Home / 744,177.20-1,116,411.60-317,712.20

Finding the Fourth Proportional to 744,177.20, 1,116,411.60 and 317,712.20

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Solution

The fourth proportional to 744,177.20, 1,116,411.60 and 317,712.20 is: 476,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,177.20 : 1,116,411.60 = 317,712.20 : x
  2. Step 2: Convert to fraction form
    744,177.20/1,116,411.60 = 317,712.20/x
  3. Step 3: Cross multiply
    744,177.20x = 1,116,411.60 × 317,712.20
  4. Step 4: Simplify right side
    744,177.20x = 354,697,585,541.52
  5. Step 5: Solve for x
    x = 354,697,585,541.52/744,177.20
  6. Step 6: Final answer
    x = 476,630.55

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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.