Home / 869,001.66-1,199,203.92-487,020.24

Finding the Fourth Proportional to 869,001.66, 1,199,203.92 and 487,020.24

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Solution

The fourth proportional to 869,001.66, 1,199,203.92 and 487,020.24 is: 672,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,001.66 : 1,199,203.92 = 487,020.24 : x
  2. Step 2: Convert to fraction form
    869,001.66/1,199,203.92 = 487,020.24/x
  3. Step 3: Cross multiply
    869,001.66x = 1,199,203.92 × 487,020.24
  4. Step 4: Simplify right side
    869,001.66x = 584,036,580,927.34
  5. Step 5: Solve for x
    x = 584,036,580,927.34/869,001.66
  6. Step 6: Final answer
    x = 672,077.64

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Double scale
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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.