Home / 981,663.23-1,354,935.72-600,009.86

Finding the Fourth Proportional to 981,663.23, 1,354,935.72 and 600,009.86

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Solution

The fourth proportional to 981,663.23, 1,354,935.72 and 600,009.86 is: 828,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,663.23 : 1,354,935.72 = 600,009.86 : x
  2. Step 2: Convert to fraction form
    981,663.23/1,354,935.72 = 600,009.86/x
  3. Step 3: Cross multiply
    981,663.23x = 1,354,935.72 × 600,009.86
  4. Step 4: Simplify right side
    981,663.23x = 812,974,791,666.20
  5. Step 5: Solve for x
    x = 812,974,791,666.20/981,663.23
  6. Step 6: Final answer
    x = 828,160.58

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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.