Home / 742,866.17-1,023,318.96-633,614.59

Finding the Fourth Proportional to 742,866.17, 1,023,318.96 and 633,614.59

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Solution

The fourth proportional to 742,866.17, 1,023,318.96 and 633,614.59 is: 872,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,866.17 : 1,023,318.96 = 633,614.59 : x
  2. Step 2: Convert to fraction form
    742,866.17/1,023,318.96 = 633,614.59/x
  3. Step 3: Cross multiply
    742,866.17x = 1,023,318.96 × 633,614.59
  4. Step 4: Simplify right side
    742,866.17x = 648,389,820,721.33
  5. Step 5: Solve for x
    x = 648,389,820,721.33/742,866.17
  6. Step 6: Final answer
    x = 872,821.84

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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.