Home / 819,312.20-1,226,894.70-653,424.20

Finding the Fourth Proportional to 819,312.20, 1,226,894.70 and 653,424.20

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Solution

The fourth proportional to 819,312.20, 1,226,894.70 and 653,424.20 is: 978,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,312.20 : 1,226,894.70 = 653,424.20 : x
  2. Step 2: Convert to fraction form
    819,312.20/1,226,894.70 = 653,424.20/x
  3. Step 3: Cross multiply
    819,312.20x = 1,226,894.70 × 653,424.20
  4. Step 4: Simplify right side
    819,312.20x = 801,682,687,831.74
  5. Step 5: Solve for x
    x = 801,682,687,831.74/819,312.20
  6. Step 6: Final answer
    x = 978,482.55

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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.