Home / 473,566.78-653,531.79-258,720.76

Finding the Fourth Proportional to 473,566.78, 653,531.79 and 258,720.76

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Solution

The fourth proportional to 473,566.78, 653,531.79 and 258,720.76 is: 357,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,566.78 : 653,531.79 = 258,720.76 : x
  2. Step 2: Convert to fraction form
    473,566.78/653,531.79 = 258,720.76/x
  3. Step 3: Cross multiply
    473,566.78x = 653,531.79 × 258,720.76
  4. Step 4: Simplify right side
    473,566.78x = 169,082,241,392.96
  5. Step 5: Solve for x
    x = 169,082,241,392.96/473,566.78
  6. Step 6: Final answer
    x = 357,039.91

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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.