Home / 704,824.20-1,057,430.70-349,849.80

Finding the Fourth Proportional to 704,824.20, 1,057,430.70 and 349,849.80

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Solution

The fourth proportional to 704,824.20, 1,057,430.70 and 349,849.80 is: 524,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,824.20 : 1,057,430.70 = 349,849.80 : x
  2. Step 2: Convert to fraction form
    704,824.20/1,057,430.70 = 349,849.80/x
  3. Step 3: Cross multiply
    704,824.20x = 1,057,430.70 × 349,849.80
  4. Step 4: Simplify right side
    704,824.20x = 369,941,918,908.86
  5. Step 5: Solve for x
    x = 369,941,918,908.86/704,824.20
  6. Step 6: Final answer
    x = 524,871.19

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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.