Home / 747,000.50-1,120,510.47-248,364.50

Finding the Fourth Proportional to 747,000.50, 1,120,510.47 and 248,364.50

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Solution

The fourth proportional to 747,000.50, 1,120,510.47 and 248,364.50 is: 372,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,000.50 : 1,120,510.47 = 248,364.50 : x
  2. Step 2: Convert to fraction form
    747,000.50/1,120,510.47 = 248,364.50/x
  3. Step 3: Cross multiply
    747,000.50x = 1,120,510.47 × 248,364.50
  4. Step 4: Simplify right side
    747,000.50x = 278,295,022,626.32
  5. Step 5: Solve for x
    x = 278,295,022,626.32/747,000.50
  6. Step 6: Final answer
    x = 372,549.98

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Half scale
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Double scale
Find fourth proportional to 747,001.50, 1,120,511.97 and 248,365.50
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.