Home / 453,938.12-626,414.36-260,206.91

Finding the Fourth Proportional to 453,938.12, 626,414.36 and 260,206.91

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Solution

The fourth proportional to 453,938.12, 626,414.36 and 260,206.91 is: 359,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,938.12 : 626,414.36 = 260,206.91 : x
  2. Step 2: Convert to fraction form
    453,938.12/626,414.36 = 260,206.91/x
  3. Step 3: Cross multiply
    453,938.12x = 626,414.36 × 260,206.91
  4. Step 4: Simplify right side
    453,938.12x = 162,997,344,995.23
  5. Step 5: Solve for x
    x = 162,997,344,995.23/453,938.12
  6. Step 6: Final answer
    x = 359,073.93

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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.