Home / 935,336.20-1,403,417.40-455,297.80

Finding the Fourth Proportional to 935,336.20, 1,403,417.40 and 455,297.80

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Solution

The fourth proportional to 935,336.20, 1,403,417.40 and 455,297.80 is: 683,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,336.20 : 1,403,417.40 = 455,297.80 : x
  2. Step 2: Convert to fraction form
    935,336.20/1,403,417.40 = 455,297.80/x
  3. Step 3: Cross multiply
    935,336.20x = 1,403,417.40 × 455,297.80
  4. Step 4: Simplify right side
    935,336.20x = 638,972,854,701.72
  5. Step 5: Solve for x
    x = 638,972,854,701.72/935,336.20
  6. Step 6: Final answer
    x = 683,147.79

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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.