Home / 830,867.40-1,246,301.10-514,297.80

Finding the Fourth Proportional to 830,867.40, 1,246,301.10 and 514,297.80

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Solution

The fourth proportional to 830,867.40, 1,246,301.10 and 514,297.80 is: 771,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,867.40 : 1,246,301.10 = 514,297.80 : x
  2. Step 2: Convert to fraction form
    830,867.40/1,246,301.10 = 514,297.80/x
  3. Step 3: Cross multiply
    830,867.40x = 1,246,301.10 × 514,297.80
  4. Step 4: Simplify right side
    830,867.40x = 640,969,913,867.58
  5. Step 5: Solve for x
    x = 640,969,913,867.58/830,867.40
  6. Step 6: Final answer
    x = 771,446.70

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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.