Home / 865,426.40-1,194,353.08-498,016.16

Finding the Fourth Proportional to 865,426.40, 1,194,353.08 and 498,016.16

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Solution

The fourth proportional to 865,426.40, 1,194,353.08 and 498,016.16 is: 687,299.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,426.40 : 1,194,353.08 = 498,016.16 : x
  2. Step 2: Convert to fraction form
    865,426.40/1,194,353.08 = 498,016.16/x
  3. Step 3: Cross multiply
    865,426.40x = 1,194,353.08 × 498,016.16
  4. Step 4: Simplify right side
    865,426.40x = 594,807,134,585.77
  5. Step 5: Solve for x
    x = 594,807,134,585.77/865,426.40
  6. Step 6: Final answer
    x = 687,299.50

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Double scale
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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.