Home / 783,590.47-1,176,763.92-772,371.16

Finding the Fourth Proportional to 783,590.47, 1,176,763.92 and 772,371.16

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Solution

The fourth proportional to 783,590.47, 1,176,763.92 and 772,371.16 is: 1,159,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,590.47 : 1,176,763.92 = 772,371.16 : x
  2. Step 2: Convert to fraction form
    783,590.47/1,176,763.92 = 772,371.16/x
  3. Step 3: Cross multiply
    783,590.47x = 1,176,763.92 × 772,371.16
  4. Step 4: Simplify right side
    783,590.47x = 908,898,513,936.55
  5. Step 5: Solve for x
    x = 908,898,513,936.55/783,590.47
  6. Step 6: Final answer
    x = 1,159,915.22

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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.