Home / 763,422.80-1,142,801.40-595,461.20

Finding the Fourth Proportional to 763,422.80, 1,142,801.40 and 595,461.20

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Solution

The fourth proportional to 763,422.80, 1,142,801.40 and 595,461.20 is: 891,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,422.80 : 1,142,801.40 = 595,461.20 : x
  2. Step 2: Convert to fraction form
    763,422.80/1,142,801.40 = 595,461.20/x
  3. Step 3: Cross multiply
    763,422.80x = 1,142,801.40 × 595,461.20
  4. Step 4: Simplify right side
    763,422.80x = 680,493,893,005.68
  5. Step 5: Solve for x
    x = 680,493,893,005.68/763,422.80
  6. Step 6: Final answer
    x = 891,372.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.