Home / 402,953.43-556,014.06-233,154.75

Finding the Fourth Proportional to 402,953.43, 556,014.06 and 233,154.75

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Solution

The fourth proportional to 402,953.43, 556,014.06 and 233,154.75 is: 321,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,953.43 : 556,014.06 = 233,154.75 : x
  2. Step 2: Convert to fraction form
    402,953.43/556,014.06 = 233,154.75/x
  3. Step 3: Cross multiply
    402,953.43x = 556,014.06 × 233,154.75
  4. Step 4: Simplify right side
    402,953.43x = 129,637,319,155.79
  5. Step 5: Solve for x
    x = 129,637,319,155.79/402,953.43
  6. Step 6: Final answer
    x = 321,717.87

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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.