Home / 985,591.50-1,478,547.04-386,227.68

Finding the Fourth Proportional to 985,591.50, 1,478,547.04 and 386,227.68

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Solution

The fourth proportional to 985,591.50, 1,478,547.04 and 386,227.68 is: 579,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,591.50 : 1,478,547.04 = 386,227.68 : x
  2. Step 2: Convert to fraction form
    985,591.50/1,478,547.04 = 386,227.68/x
  3. Step 3: Cross multiply
    985,591.50x = 1,478,547.04 × 386,227.68
  4. Step 4: Simplify right side
    985,591.50x = 571,055,793,030.07
  5. Step 5: Solve for x
    x = 571,055,793,030.07/985,591.50
  6. Step 6: Final answer
    x = 579,404.14

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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.