Home / 865,923.53-1,194,939.16-478,714.30

Finding the Fourth Proportional to 865,923.53, 1,194,939.16 and 478,714.30

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Solution

The fourth proportional to 865,923.53, 1,194,939.16 and 478,714.30 is: 660,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,923.53 : 1,194,939.16 = 478,714.30 : x
  2. Step 2: Convert to fraction form
    865,923.53/1,194,939.16 = 478,714.30/x
  3. Step 3: Cross multiply
    865,923.53x = 1,194,939.16 × 478,714.30
  4. Step 4: Simplify right side
    865,923.53x = 572,034,463,521.99
  5. Step 5: Solve for x
    x = 572,034,463,521.99/865,923.53
  6. Step 6: Final answer
    x = 660,606.22

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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.