Home / 527,595.45-791,386.26-128,235.06

Finding the Fourth Proportional to 527,595.45, 791,386.26 and 128,235.06

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Solution

The fourth proportional to 527,595.45, 791,386.26 and 128,235.06 is: 192,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,595.45 : 791,386.26 = 128,235.06 : x
  2. Step 2: Convert to fraction form
    527,595.45/791,386.26 = 128,235.06/x
  3. Step 3: Cross multiply
    527,595.45x = 791,386.26 × 128,235.06
  4. Step 4: Simplify right side
    527,595.45x = 101,483,464,534.28
  5. Step 5: Solve for x
    x = 101,483,464,534.28/527,595.45
  6. Step 6: Final answer
    x = 192,350.91

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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.