Home / 779,473.72-1,074,830.76-676,617.76

Finding the Fourth Proportional to 779,473.72, 1,074,830.76 and 676,617.76

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Solution

The fourth proportional to 779,473.72, 1,074,830.76 and 676,617.76 is: 933,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,473.72 : 1,074,830.76 = 676,617.76 : x
  2. Step 2: Convert to fraction form
    779,473.72/1,074,830.76 = 676,617.76/x
  3. Step 3: Cross multiply
    779,473.72x = 1,074,830.76 × 676,617.76
  4. Step 4: Simplify right side
    779,473.72x = 727,249,581,210.30
  5. Step 5: Solve for x
    x = 727,249,581,210.30/779,473.72
  6. Step 6: Final answer
    x = 933,000.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.