Home / 865,586.91-1,194,503.43-478,428.69

Finding the Fourth Proportional to 865,586.91, 1,194,503.43 and 478,428.69

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Solution

The fourth proportional to 865,586.91, 1,194,503.43 and 478,428.69 is: 660,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,586.91 : 1,194,503.43 = 478,428.69 : x
  2. Step 2: Convert to fraction form
    865,586.91/1,194,503.43 = 478,428.69/x
  3. Step 3: Cross multiply
    865,586.91x = 1,194,503.43 × 478,428.69
  4. Step 4: Simplify right side
    865,586.91x = 571,484,711,215.41
  5. Step 5: Solve for x
    x = 571,484,711,215.41/865,586.91
  6. Step 6: Final answer
    x = 660,228.00

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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.