Home / 540,187.77-745,439.07-298,465.14

Finding the Fourth Proportional to 540,187.77, 745,439.07 and 298,465.14

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Solution

The fourth proportional to 540,187.77, 745,439.07 and 298,465.14 is: 411,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,187.77 : 745,439.07 = 298,465.14 : x
  2. Step 2: Convert to fraction form
    540,187.77/745,439.07 = 298,465.14/x
  3. Step 3: Cross multiply
    540,187.77x = 745,439.07 × 298,465.14
  4. Step 4: Simplify right side
    540,187.77x = 222,487,576,389.02
  5. Step 5: Solve for x
    x = 222,487,576,389.02/540,187.77
  6. Step 6: Final answer
    x = 411,870.81

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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.