Home / 1,272,518.40-1,904,276.16-934,757.76

Finding the Fourth Proportional to 1,272,518.40, 1,904,276.16 and 934,757.76

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Solution

The fourth proportional to 1,272,518.40, 1,904,276.16 and 934,757.76 is: 1,398,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,518.40 : 1,904,276.16 = 934,757.76 : x
  2. Step 2: Convert to fraction form
    1,272,518.40/1,904,276.16 = 934,757.76/x
  3. Step 3: Cross multiply
    1,272,518.40x = 1,904,276.16 × 934,757.76
  4. Step 4: Simplify right side
    1,272,518.40x = 1,780,036,917,743.00
  5. Step 5: Solve for x
    x = 1,780,036,917,743.00/1,272,518.40
  6. Step 6: Final answer
    x = 1,398,830.00

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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.