Home / 661,933.76-992,900.61-462,643.38

Finding the Fourth Proportional to 661,933.76, 992,900.61 and 462,643.38

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Solution

The fourth proportional to 661,933.76, 992,900.61 and 462,643.38 is: 693,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,933.76 : 992,900.61 = 462,643.38 : x
  2. Step 2: Convert to fraction form
    661,933.76/992,900.61 = 462,643.38/x
  3. Step 3: Cross multiply
    661,933.76x = 992,900.61 × 462,643.38
  4. Step 4: Simplify right side
    661,933.76x = 459,358,894,214.46
  5. Step 5: Solve for x
    x = 459,358,894,214.46/661,933.76
  6. Step 6: Final answer
    x = 693,965.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.