Home / 880,715.14-1,215,461.85-498,809.86

Finding the Fourth Proportional to 880,715.14, 1,215,461.85 and 498,809.86

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Solution

The fourth proportional to 880,715.14, 1,215,461.85 and 498,809.86 is: 688,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,715.14 : 1,215,461.85 = 498,809.86 : x
  2. Step 2: Convert to fraction form
    880,715.14/1,215,461.85 = 498,809.86/x
  3. Step 3: Cross multiply
    880,715.14x = 1,215,461.85 × 498,809.86
  4. Step 4: Simplify right side
    880,715.14x = 606,284,355,233.84
  5. Step 5: Solve for x
    x = 606,284,355,233.84/880,715.14
  6. Step 6: Final answer
    x = 688,400.06

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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.