Home / 687,247.56-945,038.54-596,445.88

Finding the Fourth Proportional to 687,247.56, 945,038.54 and 596,445.88

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Solution

The fourth proportional to 687,247.56, 945,038.54 and 596,445.88 is: 820,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,247.56 : 945,038.54 = 596,445.88 : x
  2. Step 2: Convert to fraction form
    687,247.56/945,038.54 = 596,445.88/x
  3. Step 3: Cross multiply
    687,247.56x = 945,038.54 × 596,445.88
  4. Step 4: Simplify right side
    687,247.56x = 563,664,343,624.22
  5. Step 5: Solve for x
    x = 563,664,343,624.22/687,247.56
  6. Step 6: Final answer
    x = 820,176.57

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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.