Home / 985,589.51-1,478,544.03-386,225.69

Finding the Fourth Proportional to 985,589.51, 1,478,544.03 and 386,225.69

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Solution

The fourth proportional to 985,589.51, 1,478,544.03 and 386,225.69 is: 579,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,589.51 : 1,478,544.03 = 386,225.69 : x
  2. Step 2: Convert to fraction form
    985,589.51/1,478,544.03 = 386,225.69/x
  3. Step 3: Cross multiply
    985,589.51x = 1,478,544.03 × 386,225.69
  4. Step 4: Simplify right side
    985,589.51x = 571,051,680,789.41
  5. Step 5: Solve for x
    x = 571,051,680,789.41/985,589.51
  6. Step 6: Final answer
    x = 579,401.14

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Double scale
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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.