Home / 936,836.72-1,292,833.58-507,116.72

Finding the Fourth Proportional to 936,836.72, 1,292,833.58 and 507,116.72

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Solution

The fourth proportional to 936,836.72, 1,292,833.58 and 507,116.72 is: 699,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,836.72 : 1,292,833.58 = 507,116.72 : x
  2. Step 2: Convert to fraction form
    936,836.72/1,292,833.58 = 507,116.72/x
  3. Step 3: Cross multiply
    936,836.72x = 1,292,833.58 × 507,116.72
  4. Step 4: Simplify right side
    936,836.72x = 655,617,524,595.46
  5. Step 5: Solve for x
    x = 655,617,524,595.46/936,836.72
  6. Step 6: Final answer
    x = 699,820.48

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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.