Home / 753,851.80-1,040,303.41-414,312.76

Finding the Fourth Proportional to 753,851.80, 1,040,303.41 and 414,312.76

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Solution

The fourth proportional to 753,851.80, 1,040,303.41 and 414,312.76 is: 571,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,851.80 : 1,040,303.41 = 414,312.76 : x
  2. Step 2: Convert to fraction form
    753,851.80/1,040,303.41 = 414,312.76/x
  3. Step 3: Cross multiply
    753,851.80x = 1,040,303.41 × 414,312.76
  4. Step 4: Simplify right side
    753,851.80x = 431,010,977,034.51
  5. Step 5: Solve for x
    x = 431,010,977,034.51/753,851.80
  6. Step 6: Final answer
    x = 571,744.97

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Double scale
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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.