Home / 684,717.70-1,027,076.55-517,412.20

Finding the Fourth Proportional to 684,717.70, 1,027,076.55 and 517,412.20

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Solution

The fourth proportional to 684,717.70, 1,027,076.55 and 517,412.20 is: 776,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,717.70 : 1,027,076.55 = 517,412.20 : x
  2. Step 2: Convert to fraction form
    684,717.70/1,027,076.55 = 517,412.20/x
  3. Step 3: Cross multiply
    684,717.70x = 1,027,076.55 × 517,412.20
  4. Step 4: Simplify right side
    684,717.70x = 531,421,937,303.91
  5. Step 5: Solve for x
    x = 531,421,937,303.91/684,717.70
  6. Step 6: Final answer
    x = 776,118.30

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Similar ratio
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1.5x scale

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.