Home / 563,272.12-776,693.46-359,000.20

Finding the Fourth Proportional to 563,272.12, 776,693.46 and 359,000.20

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Solution

The fourth proportional to 563,272.12, 776,693.46 and 359,000.20 is: 495,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,272.12 : 776,693.46 = 359,000.20 : x
  2. Step 2: Convert to fraction form
    563,272.12/776,693.46 = 359,000.20/x
  3. Step 3: Cross multiply
    563,272.12x = 776,693.46 × 359,000.20
  4. Step 4: Simplify right side
    563,272.12x = 278,833,107,478.69
  5. Step 5: Solve for x
    x = 278,833,107,478.69/563,272.12
  6. Step 6: Final answer
    x = 495,023.80

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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.