Home / 982,867.59-1,356,775.77-660,764.50

Finding the Fourth Proportional to 982,867.59, 1,356,775.77 and 660,764.50

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Solution

The fourth proportional to 982,867.59, 1,356,775.77 and 660,764.50 is: 912,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,867.59 : 1,356,775.77 = 660,764.50 : x
  2. Step 2: Convert to fraction form
    982,867.59/1,356,775.77 = 660,764.50/x
  3. Step 3: Cross multiply
    982,867.59x = 1,356,775.77 × 660,764.50
  4. Step 4: Simplify right side
    982,867.59x = 896,509,263,276.17
  5. Step 5: Solve for x
    x = 896,509,263,276.17/982,867.59
  6. Step 6: Final answer
    x = 912,136.36

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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.