Home / 865,848.06-1,194,766.84-478,611.17

Finding the Fourth Proportional to 865,848.06, 1,194,766.84 and 478,611.17

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Solution

The fourth proportional to 865,848.06, 1,194,766.84 and 478,611.17 is: 660,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,848.06 : 1,194,766.84 = 478,611.17 : x
  2. Step 2: Convert to fraction form
    865,848.06/1,194,766.84 = 478,611.17/x
  3. Step 3: Cross multiply
    865,848.06x = 1,194,766.84 × 478,611.17
  4. Step 4: Simplify right side
    865,848.06x = 571,828,755,169.60
  5. Step 5: Solve for x
    x = 571,828,755,169.60/865,848.06
  6. Step 6: Final answer
    x = 660,426.21

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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.