Home / 1,191,159.37-1,643,939.69-707,728.45

Finding the Fourth Proportional to 1,191,159.37, 1,643,939.69 and 707,728.45

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Solution

The fourth proportional to 1,191,159.37, 1,643,939.69 and 707,728.45 is: 976,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,159.37 : 1,643,939.69 = 707,728.45 : x
  2. Step 2: Convert to fraction form
    1,191,159.37/1,643,939.69 = 707,728.45/x
  3. Step 3: Cross multiply
    1,191,159.37x = 1,643,939.69 × 707,728.45
  4. Step 4: Simplify right side
    1,191,159.37x = 1,163,462,888,697.18
  5. Step 5: Solve for x
    x = 1,163,462,888,697.18/1,191,159.37
  6. Step 6: Final answer
    x = 976,748.30

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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.