Home / 874,141.10-1,311,211.65-608,720.30

Finding the Fourth Proportional to 874,141.10, 1,311,211.65 and 608,720.30

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Solution

The fourth proportional to 874,141.10, 1,311,211.65 and 608,720.30 is: 913,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,141.10 : 1,311,211.65 = 608,720.30 : x
  2. Step 2: Convert to fraction form
    874,141.10/1,311,211.65 = 608,720.30/x
  3. Step 3: Cross multiply
    874,141.10x = 1,311,211.65 × 608,720.30
  4. Step 4: Simplify right side
    874,141.10x = 798,161,148,951.50
  5. Step 5: Solve for x
    x = 798,161,148,951.50/874,141.10
  6. Step 6: Final answer
    x = 913,080.45

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Double scale
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Similar ratio
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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.