Home / 912,860.91-1,368,744.57-433,208.07

Finding the Fourth Proportional to 912,860.91, 1,368,744.57 and 433,208.07

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Solution

The fourth proportional to 912,860.91, 1,368,744.57 and 433,208.07 is: 649,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,860.91 : 1,368,744.57 = 433,208.07 : x
  2. Step 2: Convert to fraction form
    912,860.91/1,368,744.57 = 433,208.07/x
  3. Step 3: Cross multiply
    912,860.91x = 1,368,744.57 × 433,208.07
  4. Step 4: Simplify right side
    912,860.91x = 592,951,193,492.68
  5. Step 5: Solve for x
    x = 592,951,193,492.68/912,860.91
  6. Step 6: Final answer
    x = 649,552.62

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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.