Home / 926,515.60-1,390,234.20-365,568.40

Finding the Fourth Proportional to 926,515.60, 1,390,234.20 and 365,568.40

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Solution

The fourth proportional to 926,515.60, 1,390,234.20 and 365,568.40 is: 548,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,515.60 : 1,390,234.20 = 365,568.40 : x
  2. Step 2: Convert to fraction form
    926,515.60/1,390,234.20 = 365,568.40/x
  3. Step 3: Cross multiply
    926,515.60x = 1,390,234.20 × 365,568.40
  4. Step 4: Simplify right side
    926,515.60x = 508,225,692,119.28
  5. Step 5: Solve for x
    x = 508,225,692,119.28/926,515.60
  6. Step 6: Final answer
    x = 548,534.41

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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.