Home / 612,822.10-919,233.15-585,265.90

Finding the Fourth Proportional to 612,822.10, 919,233.15 and 585,265.90

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Solution

The fourth proportional to 612,822.10, 919,233.15 and 585,265.90 is: 877,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,822.10 : 919,233.15 = 585,265.90 : x
  2. Step 2: Convert to fraction form
    612,822.10/919,233.15 = 585,265.90/x
  3. Step 3: Cross multiply
    612,822.10x = 919,233.15 × 585,265.90
  4. Step 4: Simplify right side
    612,822.10x = 537,995,816,844.59
  5. Step 5: Solve for x
    x = 537,995,816,844.59/612,822.10
  6. Step 6: Final answer
    x = 877,898.85

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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.