Home / 779,812.66-1,167,057.69-653,595.40

Finding the Fourth Proportional to 779,812.66, 1,167,057.69 and 653,595.40

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Solution

The fourth proportional to 779,812.66, 1,167,057.69 and 653,595.40 is: 978,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,812.66 : 1,167,057.69 = 653,595.40 : x
  2. Step 2: Convert to fraction form
    779,812.66/1,167,057.69 = 653,595.40/x
  3. Step 3: Cross multiply
    779,812.66x = 1,167,057.69 × 653,595.40
  4. Step 4: Simplify right side
    779,812.66x = 762,783,537,718.63
  5. Step 5: Solve for x
    x = 762,783,537,718.63/779,812.66
  6. Step 6: Final answer
    x = 978,162.55

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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.