Home / 1,681,785.79-2,320,918.52-956,614.86

Finding the Fourth Proportional to 1,681,785.79, 2,320,918.52 and 956,614.86

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Solution

The fourth proportional to 1,681,785.79, 2,320,918.52 and 956,614.86 is: 1,320,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,785.79 : 2,320,918.52 = 956,614.86 : x
  2. Step 2: Convert to fraction form
    1,681,785.79/2,320,918.52 = 956,614.86/x
  3. Step 3: Cross multiply
    1,681,785.79x = 2,320,918.52 × 956,614.86
  4. Step 4: Simplify right side
    1,681,785.79x = 2,220,225,140,298.13
  5. Step 5: Solve for x
    x = 2,220,225,140,298.13/1,681,785.79
  6. Step 6: Final answer
    x = 1,320,159.30

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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.