Home / 972,209.92-1,341,449.39-558,666.81

Finding the Fourth Proportional to 972,209.92, 1,341,449.39 and 558,666.81

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Solution

The fourth proportional to 972,209.92, 1,341,449.39 and 558,666.81 is: 770,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,209.92 : 1,341,449.39 = 558,666.81 : x
  2. Step 2: Convert to fraction form
    972,209.92/1,341,449.39 = 558,666.81/x
  3. Step 3: Cross multiply
    972,209.92x = 1,341,449.39 × 558,666.81
  4. Step 4: Simplify right side
    972,209.92x = 749,423,256,933.59
  5. Step 5: Solve for x
    x = 749,423,256,933.59/972,209.92
  6. Step 6: Final answer
    x = 770,845.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.