Home / 651,826.80-977,740.20-178,511.40

Finding the Fourth Proportional to 651,826.80, 977,740.20 and 178,511.40

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Solution

The fourth proportional to 651,826.80, 977,740.20 and 178,511.40 is: 267,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,826.80 : 977,740.20 = 178,511.40 : x
  2. Step 2: Convert to fraction form
    651,826.80/977,740.20 = 178,511.40/x
  3. Step 3: Cross multiply
    651,826.80x = 977,740.20 × 178,511.40
  4. Step 4: Simplify right side
    651,826.80x = 174,537,771,938.28
  5. Step 5: Solve for x
    x = 174,537,771,938.28/651,826.80
  6. Step 6: Final answer
    x = 267,767.10

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Similar ratio
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1.5x scale

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.