Home / 888,916.17-1,226,404.07-578,677.12

Finding the Fourth Proportional to 888,916.17, 1,226,404.07 and 578,677.12

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Solution

The fourth proportional to 888,916.17, 1,226,404.07 and 578,677.12 is: 798,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,916.17 : 1,226,404.07 = 578,677.12 : x
  2. Step 2: Convert to fraction form
    888,916.17/1,226,404.07 = 578,677.12/x
  3. Step 3: Cross multiply
    888,916.17x = 1,226,404.07 × 578,677.12
  4. Step 4: Simplify right side
    888,916.17x = 709,691,980,831.41
  5. Step 5: Solve for x
    x = 709,691,980,831.41/888,916.17
  6. Step 6: Final answer
    x = 798,378.97

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1.5x scale

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.