Home / 661,864.86-992,895.70-306,914.76

Finding the Fourth Proportional to 661,864.86, 992,895.70 and 306,914.76

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Solution

The fourth proportional to 661,864.86, 992,895.70 and 306,914.76 is: 460,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,864.86 : 992,895.70 = 306,914.76 : x
  2. Step 2: Convert to fraction form
    661,864.86/992,895.70 = 306,914.76/x
  3. Step 3: Cross multiply
    661,864.86x = 992,895.70 × 306,914.76
  4. Step 4: Simplify right side
    661,864.86x = 304,734,345,470.53
  5. Step 5: Solve for x
    x = 304,734,345,470.53/661,864.86
  6. Step 6: Final answer
    x = 460,417.77

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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.