Home / 740,135.58-1,021,411.86-453,600.30

Finding the Fourth Proportional to 740,135.58, 1,021,411.86 and 453,600.30

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Solution

The fourth proportional to 740,135.58, 1,021,411.86 and 453,600.30 is: 625,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,135.58 : 1,021,411.86 = 453,600.30 : x
  2. Step 2: Convert to fraction form
    740,135.58/1,021,411.86 = 453,600.30/x
  3. Step 3: Cross multiply
    740,135.58x = 1,021,411.86 × 453,600.30
  4. Step 4: Simplify right side
    740,135.58x = 463,312,726,119.56
  5. Step 5: Solve for x
    x = 463,312,726,119.56/740,135.58
  6. Step 6: Final answer
    x = 625,983.59

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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.