Home / 917,865.52-1,266,744.36-530,697.40

Finding the Fourth Proportional to 917,865.52, 1,266,744.36 and 530,697.40

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Solution

The fourth proportional to 917,865.52, 1,266,744.36 and 530,697.40 is: 732,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,865.52 : 1,266,744.36 = 530,697.40 : x
  2. Step 2: Convert to fraction form
    917,865.52/1,266,744.36 = 530,697.40/x
  3. Step 3: Cross multiply
    917,865.52x = 1,266,744.36 × 530,697.40
  4. Step 4: Simplify right side
    917,865.52x = 672,257,938,316.66
  5. Step 5: Solve for x
    x = 672,257,938,316.66/917,865.52
  6. Step 6: Final answer
    x = 732,414.42

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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.