Home / 1,280,199.01-1,766,710.28-707,276.11

Finding the Fourth Proportional to 1,280,199.01, 1,766,710.28 and 707,276.11

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Solution

The fourth proportional to 1,280,199.01, 1,766,710.28 and 707,276.11 is: 976,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,199.01 : 1,766,710.28 = 707,276.11 : x
  2. Step 2: Convert to fraction form
    1,280,199.01/1,766,710.28 = 707,276.11/x
  3. Step 3: Cross multiply
    1,280,199.01x = 1,766,710.28 × 707,276.11
  4. Step 4: Simplify right side
    1,280,199.01x = 1,249,551,961,965.48
  5. Step 5: Solve for x
    x = 1,249,551,961,965.48/1,280,199.01
  6. Step 6: Final answer
    x = 976,060.72

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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.