Home / 830,400.60-1,246,184.10-531,607.80

Finding the Fourth Proportional to 830,400.60, 1,246,184.10 and 531,607.80

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Solution

The fourth proportional to 830,400.60, 1,246,184.10 and 531,607.80 is: 797,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,400.60 : 1,246,184.10 = 531,607.80 : x
  2. Step 2: Convert to fraction form
    830,400.60/1,246,184.10 = 531,607.80/x
  3. Step 3: Cross multiply
    830,400.60x = 1,246,184.10 × 531,607.80
  4. Step 4: Simplify right side
    830,400.60x = 662,481,187,795.98
  5. Step 5: Solve for x
    x = 662,481,187,795.98/830,400.60
  6. Step 6: Final answer
    x = 797,785.05

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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.