Home / 883,890.90-1,219,248.45-625,477.14

Finding the Fourth Proportional to 883,890.90, 1,219,248.45 and 625,477.14

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Solution

The fourth proportional to 883,890.90, 1,219,248.45 and 625,477.14 is: 862,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,890.90 : 1,219,248.45 = 625,477.14 : x
  2. Step 2: Convert to fraction form
    883,890.90/1,219,248.45 = 625,477.14/x
  3. Step 3: Cross multiply
    883,890.90x = 1,219,248.45 × 625,477.14
  4. Step 4: Simplify right side
    883,890.90x = 762,612,033,455.43
  5. Step 5: Solve for x
    x = 762,612,033,455.43/883,890.90
  6. Step 6: Final answer
    x = 862,789.78

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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.