Home / 815,150.96-1,124,126.56-524,465.84

Finding the Fourth Proportional to 815,150.96, 1,124,126.56 and 524,465.84

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Solution

The fourth proportional to 815,150.96, 1,124,126.56 and 524,465.84 is: 723,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,150.96 : 1,124,126.56 = 524,465.84 : x
  2. Step 2: Convert to fraction form
    815,150.96/1,124,126.56 = 524,465.84/x
  3. Step 3: Cross multiply
    815,150.96x = 1,124,126.56 × 524,465.84
  4. Step 4: Simplify right side
    815,150.96x = 589,565,980,556.71
  5. Step 5: Solve for x
    x = 589,565,980,556.71/815,150.96
  6. Step 6: Final answer
    x = 723,259.87

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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.