Home / 750,790.76-1,123,360.86-526,588.72

Finding the Fourth Proportional to 750,790.76, 1,123,360.86 and 526,588.72

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Solution

The fourth proportional to 750,790.76, 1,123,360.86 and 526,588.72 is: 787,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,790.76 : 1,123,360.86 = 526,588.72 : x
  2. Step 2: Convert to fraction form
    750,790.76/1,123,360.86 = 526,588.72/x
  3. Step 3: Cross multiply
    750,790.76x = 1,123,360.86 × 526,588.72
  4. Step 4: Simplify right side
    750,790.76x = 591,549,157,365.50
  5. Step 5: Solve for x
    x = 591,549,157,365.50/750,790.76
  6. Step 6: Final answer
    x = 787,901.49

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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.