Home / 726,982.81-1,003,253.86-404,714.69

Finding the Fourth Proportional to 726,982.81, 1,003,253.86 and 404,714.69

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Solution

The fourth proportional to 726,982.81, 1,003,253.86 and 404,714.69 is: 558,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,982.81 : 1,003,253.86 = 404,714.69 : x
  2. Step 2: Convert to fraction form
    726,982.81/1,003,253.86 = 404,714.69/x
  3. Step 3: Cross multiply
    726,982.81x = 1,003,253.86 × 404,714.69
  4. Step 4: Simplify right side
    726,982.81x = 406,031,574,941.20
  5. Step 5: Solve for x
    x = 406,031,574,941.20/726,982.81
  6. Step 6: Final answer
    x = 558,516.06

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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.