Home / 453,926.56-626,134.80-326,400.16

Finding the Fourth Proportional to 453,926.56, 626,134.80 and 326,400.16

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Solution

The fourth proportional to 453,926.56, 626,134.80 and 326,400.16 is: 450,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,926.56 : 626,134.80 = 326,400.16 : x
  2. Step 2: Convert to fraction form
    453,926.56/626,134.80 = 326,400.16/x
  3. Step 3: Cross multiply
    453,926.56x = 626,134.80 × 326,400.16
  4. Step 4: Simplify right side
    453,926.56x = 204,370,498,901.57
  5. Step 5: Solve for x
    x = 204,370,498,901.57/453,926.56
  6. Step 6: Final answer
    x = 450,228.11

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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.