Home / 690,001.52-1,034,674.56-240,667.84

Finding the Fourth Proportional to 690,001.52, 1,034,674.56 and 240,667.84

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Solution

The fourth proportional to 690,001.52, 1,034,674.56 and 240,667.84 is: 360,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,001.52 : 1,034,674.56 = 240,667.84 : x
  2. Step 2: Convert to fraction form
    690,001.52/1,034,674.56 = 240,667.84/x
  3. Step 3: Cross multiply
    690,001.52x = 1,034,674.56 × 240,667.84
  4. Step 4: Simplify right side
    690,001.52x = 249,012,891,458.15
  5. Step 5: Solve for x
    x = 249,012,891,458.15/690,001.52
  6. Step 6: Final answer
    x = 360,887.45

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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.