Home / 1,036,700.72-1,430,763.48-577,857.20

Finding the Fourth Proportional to 1,036,700.72, 1,430,763.48 and 577,857.20

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Solution

The fourth proportional to 1,036,700.72, 1,430,763.48 and 577,857.20 is: 797,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,700.72 : 1,430,763.48 = 577,857.20 : x
  2. Step 2: Convert to fraction form
    1,036,700.72/1,430,763.48 = 577,857.20/x
  3. Step 3: Cross multiply
    1,036,700.72x = 1,430,763.48 × 577,857.20
  4. Step 4: Simplify right side
    1,036,700.72x = 826,776,978,415.06
  5. Step 5: Solve for x
    x = 826,776,978,415.06/1,036,700.72
  6. Step 6: Final answer
    x = 797,507.87

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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.