Home / 898,858.64-1,240,374.12-536,691.44

Finding the Fourth Proportional to 898,858.64, 1,240,374.12 and 536,691.44

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Solution

The fourth proportional to 898,858.64, 1,240,374.12 and 536,691.44 is: 740,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,858.64 : 1,240,374.12 = 536,691.44 : x
  2. Step 2: Convert to fraction form
    898,858.64/1,240,374.12 = 536,691.44/x
  3. Step 3: Cross multiply
    898,858.64x = 1,240,374.12 × 536,691.44
  4. Step 4: Simplify right side
    898,858.64x = 665,698,172,601.53
  5. Step 5: Solve for x
    x = 665,698,172,601.53/898,858.64
  6. Step 6: Final answer
    x = 740,603.85

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1.5x scale

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.