Home / 823,188.02-1,234,432.10-507,560.18

Finding the Fourth Proportional to 823,188.02, 1,234,432.10 and 507,560.18

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Solution

The fourth proportional to 823,188.02, 1,234,432.10 and 507,560.18 is: 761,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,188.02 : 1,234,432.10 = 507,560.18 : x
  2. Step 2: Convert to fraction form
    823,188.02/1,234,432.10 = 507,560.18/x
  3. Step 3: Cross multiply
    823,188.02x = 1,234,432.10 × 507,560.18
  4. Step 4: Simplify right side
    823,188.02x = 626,548,573,970.52
  5. Step 5: Solve for x
    x = 626,548,573,970.52/823,188.02
  6. Step 6: Final answer
    x = 761,124.51

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Double scale
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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.