Home / 473,263.35-653,129.90-258,423.40

Finding the Fourth Proportional to 473,263.35, 653,129.90 and 258,423.40

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Solution

The fourth proportional to 473,263.35, 653,129.90 and 258,423.40 is: 356,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,263.35 : 653,129.90 = 258,423.40 : x
  2. Step 2: Convert to fraction form
    473,263.35/653,129.90 = 258,423.40/x
  3. Step 3: Cross multiply
    473,263.35x = 653,129.90 × 258,423.40
  4. Step 4: Simplify right side
    473,263.35x = 168,784,049,399.66
  5. Step 5: Solve for x
    x = 168,784,049,399.66/473,263.35
  6. Step 6: Final answer
    x = 356,638.75

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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.