Home / 453,943.68-626,418.28-260,341.40

Finding the Fourth Proportional to 453,943.68, 626,418.28 and 260,341.40

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Solution

The fourth proportional to 453,943.68, 626,418.28 and 260,341.40 is: 359,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,943.68 : 626,418.28 = 260,341.40 : x
  2. Step 2: Convert to fraction form
    453,943.68/626,418.28 = 260,341.40/x
  3. Step 3: Cross multiply
    453,943.68x = 626,418.28 × 260,341.40
  4. Step 4: Simplify right side
    453,943.68x = 163,082,612,000.79
  5. Step 5: Solve for x
    x = 163,082,612,000.79/453,943.68
  6. Step 6: Final answer
    x = 359,257.37

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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.