Home / 866,921.86-1,196,398.65-484,925.86

Finding the Fourth Proportional to 866,921.86, 1,196,398.65 and 484,925.86

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Solution

The fourth proportional to 866,921.86, 1,196,398.65 and 484,925.86 is: 669,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,921.86 : 1,196,398.65 = 484,925.86 : x
  2. Step 2: Convert to fraction form
    866,921.86/1,196,398.65 = 484,925.86/x
  3. Step 3: Cross multiply
    866,921.86x = 1,196,398.65 × 484,925.86
  4. Step 4: Simplify right side
    866,921.86x = 580,164,644,254.09
  5. Step 5: Solve for x
    x = 580,164,644,254.09/866,921.86
  6. Step 6: Final answer
    x = 669,223.69

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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.