Home / 1,162,437.60-1,604,211.12-653,138.40

Finding the Fourth Proportional to 1,162,437.60, 1,604,211.12 and 653,138.40

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Solution

The fourth proportional to 1,162,437.60, 1,604,211.12 and 653,138.40 is: 901,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,437.60 : 1,604,211.12 = 653,138.40 : x
  2. Step 2: Convert to fraction form
    1,162,437.60/1,604,211.12 = 653,138.40/x
  3. Step 3: Cross multiply
    1,162,437.60x = 1,604,211.12 × 653,138.40
  4. Step 4: Simplify right side
    1,162,437.60x = 1,047,771,884,179.01
  5. Step 5: Solve for x
    x = 1,047,771,884,179.01/1,162,437.60
  6. Step 6: Final answer
    x = 901,357.53

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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.