Home / 637,685.85-956,501.10-238,330.08

Finding the Fourth Proportional to 637,685.85, 956,501.10 and 238,330.08

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Solution

The fourth proportional to 637,685.85, 956,501.10 and 238,330.08 is: 357,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,685.85 : 956,501.10 = 238,330.08 : x
  2. Step 2: Convert to fraction form
    637,685.85/956,501.10 = 238,330.08/x
  3. Step 3: Cross multiply
    637,685.85x = 956,501.10 × 238,330.08
  4. Step 4: Simplify right side
    637,685.85x = 227,962,983,683.09
  5. Step 5: Solve for x
    x = 227,962,983,683.09/637,685.85
  6. Step 6: Final answer
    x = 357,484.78

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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.