Home / 704,895.10-972,756.20-382,605.26

Finding the Fourth Proportional to 704,895.10, 972,756.20 and 382,605.26

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Solution

The fourth proportional to 704,895.10, 972,756.20 and 382,605.26 is: 527,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,895.10 : 972,756.20 = 382,605.26 : x
  2. Step 2: Convert to fraction form
    704,895.10/972,756.20 = 382,605.26/x
  3. Step 3: Cross multiply
    704,895.10x = 972,756.20 × 382,605.26
  4. Step 4: Simplify right side
    704,895.10x = 372,181,638,817.61
  5. Step 5: Solve for x
    x = 372,181,638,817.61/704,895.10
  6. Step 6: Final answer
    x = 527,995.78

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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.