Home / 865,849.06-1,194,768.22-478,612.17

Finding the Fourth Proportional to 865,849.06, 1,194,768.22 and 478,612.17

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Solution

The fourth proportional to 865,849.06, 1,194,768.22 and 478,612.17 is: 660,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,849.06 : 1,194,768.22 = 478,612.17 : x
  2. Step 2: Convert to fraction form
    865,849.06/1,194,768.22 = 478,612.17/x
  3. Step 3: Cross multiply
    865,849.06x = 1,194,768.22 × 478,612.17
  4. Step 4: Simplify right side
    865,849.06x = 571,830,610,421.24
  5. Step 5: Solve for x
    x = 571,830,610,421.24/865,849.06
  6. Step 6: Final answer
    x = 660,427.59

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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.