Home / 1,136,390.76-1,568,487.65-653,236.20

Finding the Fourth Proportional to 1,136,390.76, 1,568,487.65 and 653,236.20

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Solution

The fourth proportional to 1,136,390.76, 1,568,487.65 and 653,236.20 is: 901,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,390.76 : 1,568,487.65 = 653,236.20 : x
  2. Step 2: Convert to fraction form
    1,136,390.76/1,568,487.65 = 653,236.20/x
  3. Step 3: Cross multiply
    1,136,390.76x = 1,568,487.65 × 653,236.20
  4. Step 4: Simplify right side
    1,136,390.76x = 1,024,592,908,966.75
  5. Step 5: Solve for x
    x = 1,024,592,908,966.75/1,136,390.76
  6. Step 6: Final answer
    x = 901,620.24

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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.