Home / 473,756.28-653,792.22-258,905.40

Finding the Fourth Proportional to 473,756.28, 653,792.22 and 258,905.40

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Solution

The fourth proportional to 473,756.28, 653,792.22 and 258,905.40 is: 357,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,756.28 : 653,792.22 = 258,905.40 : x
  2. Step 2: Convert to fraction form
    473,756.28/653,792.22 = 258,905.40/x
  3. Step 3: Cross multiply
    473,756.28x = 653,792.22 × 258,905.40
  4. Step 4: Simplify right side
    473,756.28x = 169,270,336,235.99
  5. Step 5: Solve for x
    x = 169,270,336,235.99/473,756.28
  6. Step 6: Final answer
    x = 357,294.13

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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.