Home / 833,742.56-1,150,140.35-527,303.76

Finding the Fourth Proportional to 833,742.56, 1,150,140.35 and 527,303.76

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Solution

The fourth proportional to 833,742.56, 1,150,140.35 and 527,303.76 is: 727,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,742.56 : 1,150,140.35 = 527,303.76 : x
  2. Step 2: Convert to fraction form
    833,742.56/1,150,140.35 = 527,303.76/x
  3. Step 3: Cross multiply
    833,742.56x = 1,150,140.35 × 527,303.76
  4. Step 4: Simplify right side
    833,742.56x = 606,473,332,400.98
  5. Step 5: Solve for x
    x = 606,473,332,400.98/833,742.56
  6. Step 6: Final answer
    x = 727,410.79

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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.