Home / 459,903.11-634,666.29-256,002.20

Finding the Fourth Proportional to 459,903.11, 634,666.29 and 256,002.20

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Solution

The fourth proportional to 459,903.11, 634,666.29 and 256,002.20 is: 353,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,903.11 : 634,666.29 = 256,002.20 : x
  2. Step 2: Convert to fraction form
    459,903.11/634,666.29 = 256,002.20/x
  3. Step 3: Cross multiply
    459,903.11x = 634,666.29 × 256,002.20
  4. Step 4: Simplify right side
    459,903.11x = 162,475,967,905.57
  5. Step 5: Solve for x
    x = 162,475,967,905.57/459,903.11
  6. Step 6: Final answer
    x = 353,283.04

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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.