Home / 865,827.65-1,194,738.65-478,590.77

Finding the Fourth Proportional to 865,827.65, 1,194,738.65 and 478,590.77

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Solution

The fourth proportional to 865,827.65, 1,194,738.65 and 478,590.77 is: 660,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,827.65 : 1,194,738.65 = 478,590.77 : x
  2. Step 2: Convert to fraction form
    865,827.65/1,194,738.65 = 478,590.77/x
  3. Step 3: Cross multiply
    865,827.65x = 1,194,738.65 × 478,590.77
  4. Step 4: Simplify right side
    865,827.65x = 571,790,882,085.61
  5. Step 5: Solve for x
    x = 571,790,882,085.61/865,827.65
  6. Step 6: Final answer
    x = 660,398.04

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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.