Home / 723,697.07-998,821.53-401,510.93

Finding the Fourth Proportional to 723,697.07, 998,821.53 and 401,510.93

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Solution

The fourth proportional to 723,697.07, 998,821.53 and 401,510.93 is: 554,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,697.07 : 998,821.53 = 401,510.93 : x
  2. Step 2: Convert to fraction form
    723,697.07/998,821.53 = 401,510.93/x
  3. Step 3: Cross multiply
    723,697.07x = 998,821.53 × 401,510.93
  4. Step 4: Simplify right side
    723,697.07x = 401,037,756,420.22
  5. Step 5: Solve for x
    x = 401,037,756,420.22/723,697.07
  6. Step 6: Final answer
    x = 554,151.42

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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.