Home / 740,091.18-1,021,318.56-417,794.34

Finding the Fourth Proportional to 740,091.18, 1,021,318.56 and 417,794.34

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Solution

The fourth proportional to 740,091.18, 1,021,318.56 and 417,794.34 is: 576,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,091.18 : 1,021,318.56 = 417,794.34 : x
  2. Step 2: Convert to fraction form
    740,091.18/1,021,318.56 = 417,794.34/x
  3. Step 3: Cross multiply
    740,091.18x = 1,021,318.56 × 417,794.34
  4. Step 4: Simplify right side
    740,091.18x = 426,701,113,704.95
  5. Step 5: Solve for x
    x = 426,701,113,704.95/740,091.18
  6. Step 6: Final answer
    x = 576,552.09

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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.