Home / 755,030.11-1,041,943.60-415,498.36

Finding the Fourth Proportional to 755,030.11, 1,041,943.60 and 415,498.36

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Solution

The fourth proportional to 755,030.11, 1,041,943.60 and 415,498.36 is: 573,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,030.11 : 1,041,943.60 = 415,498.36 : x
  2. Step 2: Convert to fraction form
    755,030.11/1,041,943.60 = 415,498.36/x
  3. Step 3: Cross multiply
    755,030.11x = 1,041,943.60 × 415,498.36
  4. Step 4: Simplify right side
    755,030.11x = 432,925,856,880.65
  5. Step 5: Solve for x
    x = 432,925,856,880.65/755,030.11
  6. Step 6: Final answer
    x = 573,388.86

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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.