Home / 642,096.98-886,084.89-370,165.40

Finding the Fourth Proportional to 642,096.98, 886,084.89 and 370,165.40

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Solution

The fourth proportional to 642,096.98, 886,084.89 and 370,165.40 is: 510,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,096.98 : 886,084.89 = 370,165.40 : x
  2. Step 2: Convert to fraction form
    642,096.98/886,084.89 = 370,165.40/x
  3. Step 3: Cross multiply
    642,096.98x = 886,084.89 × 370,165.40
  4. Step 4: Simplify right side
    642,096.98x = 327,997,967,740.81
  5. Step 5: Solve for x
    x = 327,997,967,740.81/642,096.98
  6. Step 6: Final answer
    x = 510,823.10

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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.