Home / 578,211.60-867,400.02-178,886.46

Finding the Fourth Proportional to 578,211.60, 867,400.02 and 178,886.46

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Solution

The fourth proportional to 578,211.60, 867,400.02 and 178,886.46 is: 268,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,211.60 : 867,400.02 = 178,886.46 : x
  2. Step 2: Convert to fraction form
    578,211.60/867,400.02 = 178,886.46/x
  3. Step 3: Cross multiply
    578,211.60x = 867,400.02 × 178,886.46
  4. Step 4: Simplify right side
    578,211.60x = 155,166,118,981.73
  5. Step 5: Solve for x
    x = 155,166,118,981.73/578,211.60
  6. Step 6: Final answer
    x = 268,355.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.