Home / 1,228,684.50-1,695,444.42-712,330.71

Finding the Fourth Proportional to 1,228,684.50, 1,695,444.42 and 712,330.71

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Solution

The fourth proportional to 1,228,684.50, 1,695,444.42 and 712,330.71 is: 982,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,684.50 : 1,695,444.42 = 712,330.71 : x
  2. Step 2: Convert to fraction form
    1,228,684.50/1,695,444.42 = 712,330.71/x
  3. Step 3: Cross multiply
    1,228,684.50x = 1,695,444.42 × 712,330.71
  4. Step 4: Simplify right side
    1,228,684.50x = 1,207,717,127,464.14
  5. Step 5: Solve for x
    x = 1,207,717,127,464.14/1,228,684.50
  6. Step 6: Final answer
    x = 982,935.10

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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.