Home / 779,795.16-1,167,031.34-653,578

Finding the Fourth Proportional to 779,795.16, 1,167,031.34 and 653,578

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Solution

The fourth proportional to 779,795.16, 1,167,031.34 and 653,578 is: 978,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,795.16 : 1,167,031.34 = 653,578 : x
  2. Step 2: Convert to fraction form
    779,795.16/1,167,031.34 = 653,578/x
  3. Step 3: Cross multiply
    779,795.16x = 1,167,031.34 × 653,578
  4. Step 4: Simplify right side
    779,795.16x = 762,746,009,134.52
  5. Step 5: Solve for x
    x = 762,746,009,134.52/779,795.16
  6. Step 6: Final answer
    x = 978,136.37

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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.