Home / 1,386,753.10-1,913,682.51-774,910.92

Finding the Fourth Proportional to 1,386,753.10, 1,913,682.51 and 774,910.92

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Solution

The fourth proportional to 1,386,753.10, 1,913,682.51 and 774,910.92 is: 1,069,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,753.10 : 1,913,682.51 = 774,910.92 : x
  2. Step 2: Convert to fraction form
    1,386,753.10/1,913,682.51 = 774,910.92/x
  3. Step 3: Cross multiply
    1,386,753.10x = 1,913,682.51 × 774,910.92
  4. Step 4: Simplify right side
    1,386,753.10x = 1,482,933,474,412.01
  5. Step 5: Solve for x
    x = 1,482,933,474,412.01/1,386,753.10
  6. Step 6: Final answer
    x = 1,069,356.52

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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.