Home / 880,714.14-1,215,460.47-498,808.86

Finding the Fourth Proportional to 880,714.14, 1,215,460.47 and 498,808.86

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Solution

The fourth proportional to 880,714.14, 1,215,460.47 and 498,808.86 is: 688,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,714.14 : 1,215,460.47 = 498,808.86 : x
  2. Step 2: Convert to fraction form
    880,714.14/1,215,460.47 = 498,808.86/x
  3. Step 3: Cross multiply
    880,714.14x = 1,215,460.47 × 498,808.86
  4. Step 4: Simplify right side
    880,714.14x = 606,282,451,415.76
  5. Step 5: Solve for x
    x = 606,282,451,415.76/880,714.14
  6. Step 6: Final answer
    x = 688,398.68

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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.