Home / 772,359.30-1,159,851.15-572,904.90

Finding the Fourth Proportional to 772,359.30, 1,159,851.15 and 572,904.90

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Solution

The fourth proportional to 772,359.30, 1,159,851.15 and 572,904.90 is: 860,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,359.30 : 1,159,851.15 = 572,904.90 : x
  2. Step 2: Convert to fraction form
    772,359.30/1,159,851.15 = 572,904.90/x
  3. Step 3: Cross multiply
    772,359.30x = 1,159,851.15 × 572,904.90
  4. Step 4: Simplify right side
    772,359.30x = 664,484,407,105.64
  5. Step 5: Solve for x
    x = 664,484,407,105.64/772,359.30
  6. Step 6: Final answer
    x = 860,330.69

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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.