Home / 705,337.48-1,057,864.76-345,353.23

Finding the Fourth Proportional to 705,337.48, 1,057,864.76 and 345,353.23

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Solution

The fourth proportional to 705,337.48, 1,057,864.76 and 345,353.23 is: 517,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,337.48 : 1,057,864.76 = 345,353.23 : x
  2. Step 2: Convert to fraction form
    705,337.48/1,057,864.76 = 345,353.23/x
  3. Step 3: Cross multiply
    705,337.48x = 1,057,864.76 × 345,353.23
  4. Step 4: Simplify right side
    705,337.48x = 365,337,011,769.18
  5. Step 5: Solve for x
    x = 365,337,011,769.18/705,337.48
  6. Step 6: Final answer
    x = 517,960.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.