Home / 866,191.68-1,298,964-297,411.36

Finding the Fourth Proportional to 866,191.68, 1,298,964 and 297,411.36

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Solution

The fourth proportional to 866,191.68, 1,298,964 and 297,411.36 is: 446,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,191.68 : 1,298,964 = 297,411.36 : x
  2. Step 2: Convert to fraction form
    866,191.68/1,298,964 = 297,411.36/x
  3. Step 3: Cross multiply
    866,191.68x = 1,298,964 × 297,411.36
  4. Step 4: Simplify right side
    866,191.68x = 386,326,649,831.04
  5. Step 5: Solve for x
    x = 386,326,649,831.04/866,191.68
  6. Step 6: Final answer
    x = 446,005.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.