Home / 982,866.59-1,356,774.39-660,763.50

Finding the Fourth Proportional to 982,866.59, 1,356,774.39 and 660,763.50

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Solution

The fourth proportional to 982,866.59, 1,356,774.39 and 660,763.50 is: 912,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,866.59 : 1,356,774.39 = 660,763.50 : x
  2. Step 2: Convert to fraction form
    982,866.59/1,356,774.39 = 660,763.50/x
  3. Step 3: Cross multiply
    982,866.59x = 1,356,774.39 × 660,763.50
  4. Step 4: Simplify right side
    982,866.59x = 896,506,994,646.77
  5. Step 5: Solve for x
    x = 896,506,994,646.77/982,866.59
  6. Step 6: Final answer
    x = 912,134.98

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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.