Home / 434,585.20-651,877.80-119,041.60

Finding the Fourth Proportional to 434,585.20, 651,877.80 and 119,041.60

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Solution

The fourth proportional to 434,585.20, 651,877.80 and 119,041.60 is: 178,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,585.20 : 651,877.80 = 119,041.60 : x
  2. Step 2: Convert to fraction form
    434,585.20/651,877.80 = 119,041.60/x
  3. Step 3: Cross multiply
    434,585.20x = 651,877.80 × 119,041.60
  4. Step 4: Simplify right side
    434,585.20x = 77,600,576,316.48
  5. Step 5: Solve for x
    x = 77,600,576,316.48/434,585.20
  6. Step 6: Final answer
    x = 178,562.40

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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.