Home / 723,856.95-998,923.74-401,567.04

Finding the Fourth Proportional to 723,856.95, 998,923.74 and 401,567.04

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Solution

The fourth proportional to 723,856.95, 998,923.74 and 401,567.04 is: 554,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,856.95 : 998,923.74 = 401,567.04 : x
  2. Step 2: Convert to fraction form
    723,856.95/998,923.74 = 401,567.04/x
  3. Step 3: Cross multiply
    723,856.95x = 998,923.74 × 401,567.04
  4. Step 4: Simplify right side
    723,856.95x = 401,134,849,457.53
  5. Step 5: Solve for x
    x = 401,134,849,457.53/723,856.95
  6. Step 6: Final answer
    x = 554,163.15

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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.