Home / 986,618.14-1,361,533.01-533,909.14

Finding the Fourth Proportional to 986,618.14, 1,361,533.01 and 533,909.14

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Solution

The fourth proportional to 986,618.14, 1,361,533.01 and 533,909.14 is: 736,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,618.14 : 1,361,533.01 = 533,909.14 : x
  2. Step 2: Convert to fraction form
    986,618.14/1,361,533.01 = 533,909.14/x
  3. Step 3: Cross multiply
    986,618.14x = 1,361,533.01 × 533,909.14
  4. Step 4: Simplify right side
    986,618.14x = 726,934,915,781.17
  5. Step 5: Solve for x
    x = 726,934,915,781.17/986,618.14
  6. Step 6: Final answer
    x = 736,794.60

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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.