Home / 782,521.66-1,172,254.38-539,319.22

Finding the Fourth Proportional to 782,521.66, 1,172,254.38 and 539,319.22

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Solution

The fourth proportional to 782,521.66, 1,172,254.38 and 539,319.22 is: 807,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,521.66 : 1,172,254.38 = 539,319.22 : x
  2. Step 2: Convert to fraction form
    782,521.66/1,172,254.38 = 539,319.22/x
  3. Step 3: Cross multiply
    782,521.66x = 1,172,254.38 × 539,319.22
  4. Step 4: Simplify right side
    782,521.66x = 632,219,317,863.18
  5. Step 5: Solve for x
    x = 632,219,317,863.18/782,521.66
  6. Step 6: Final answer
    x = 807,925.65

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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.