Home / 612,904.10-919,356.15-163,624.10

Finding the Fourth Proportional to 612,904.10, 919,356.15 and 163,624.10

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Solution

The fourth proportional to 612,904.10, 919,356.15 and 163,624.10 is: 245,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,904.10 : 919,356.15 = 163,624.10 : x
  2. Step 2: Convert to fraction form
    612,904.10/919,356.15 = 163,624.10/x
  3. Step 3: Cross multiply
    612,904.10x = 919,356.15 × 163,624.10
  4. Step 4: Simplify right side
    612,904.10x = 150,428,822,623.22
  5. Step 5: Solve for x
    x = 150,428,822,623.22/612,904.10
  6. Step 6: Final answer
    x = 245,436.15

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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.