Home / 569,623.60-786,100.98-340,280.20

Finding the Fourth Proportional to 569,623.60, 786,100.98 and 340,280.20

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Solution

The fourth proportional to 569,623.60, 786,100.98 and 340,280.20 is: 469,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,623.60 : 786,100.98 = 340,280.20 : x
  2. Step 2: Convert to fraction form
    569,623.60/786,100.98 = 340,280.20/x
  3. Step 3: Cross multiply
    569,623.60x = 786,100.98 × 340,280.20
  4. Step 4: Simplify right side
    569,623.60x = 267,494,598,694.60
  5. Step 5: Solve for x
    x = 267,494,598,694.60/569,623.60
  6. Step 6: Final answer
    x = 469,598.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.