Home / 1,037,358.78-1,431,499.86-578,520.48

Finding the Fourth Proportional to 1,037,358.78, 1,431,499.86 and 578,520.48

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Solution

The fourth proportional to 1,037,358.78, 1,431,499.86 and 578,520.48 is: 798,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,358.78 : 1,431,499.86 = 578,520.48 : x
  2. Step 2: Convert to fraction form
    1,037,358.78/1,431,499.86 = 578,520.48/x
  3. Step 3: Cross multiply
    1,037,358.78x = 1,431,499.86 × 578,520.48
  4. Step 4: Simplify right side
    1,037,358.78x = 828,151,986,127.13
  5. Step 5: Solve for x
    x = 828,151,986,127.13/1,037,358.78
  6. Step 6: Final answer
    x = 798,327.45

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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.