Home / 434,557.20-651,835.80-368,291.10

Finding the Fourth Proportional to 434,557.20, 651,835.80 and 368,291.10

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Solution

The fourth proportional to 434,557.20, 651,835.80 and 368,291.10 is: 552,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,557.20 : 651,835.80 = 368,291.10 : x
  2. Step 2: Convert to fraction form
    434,557.20/651,835.80 = 368,291.10/x
  3. Step 3: Cross multiply
    434,557.20x = 651,835.80 × 368,291.10
  4. Step 4: Simplify right side
    434,557.20x = 240,065,323,801.38
  5. Step 5: Solve for x
    x = 240,065,323,801.38/434,557.20
  6. Step 6: Final answer
    x = 552,436.65

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Similar ratio
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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.