Home / 723,859.95-998,927.88-401,570.04

Finding the Fourth Proportional to 723,859.95, 998,927.88 and 401,570.04

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Solution

The fourth proportional to 723,859.95, 998,927.88 and 401,570.04 is: 554,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,859.95 : 998,927.88 = 401,570.04 : x
  2. Step 2: Convert to fraction form
    723,859.95/998,927.88 = 401,570.04/x
  3. Step 3: Cross multiply
    723,859.95x = 998,927.88 × 401,570.04
  4. Step 4: Simplify right side
    723,859.95x = 401,139,508,728.72
  5. Step 5: Solve for x
    x = 401,139,508,728.72/723,859.95
  6. Step 6: Final answer
    x = 554,167.29

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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.