Home / 865,242.06-1,194,027.01-478,056.25

Finding the Fourth Proportional to 865,242.06, 1,194,027.01 and 478,056.25

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Solution

The fourth proportional to 865,242.06, 1,194,027.01 and 478,056.25 is: 659,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,242.06 : 1,194,027.01 = 478,056.25 : x
  2. Step 2: Convert to fraction form
    865,242.06/1,194,027.01 = 478,056.25/x
  3. Step 3: Cross multiply
    865,242.06x = 1,194,027.01 × 478,056.25
  4. Step 4: Simplify right side
    865,242.06x = 570,812,074,799.31
  5. Step 5: Solve for x
    x = 570,812,074,799.31/865,242.06
  6. Step 6: Final answer
    x = 659,713.74

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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.