Home / 1,097,067.60-1,513,344-638,130.51

Finding the Fourth Proportional to 1,097,067.60, 1,513,344 and 638,130.51

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Solution

The fourth proportional to 1,097,067.60, 1,513,344 and 638,130.51 is: 880,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,067.60 : 1,513,344 = 638,130.51 : x
  2. Step 2: Convert to fraction form
    1,097,067.60/1,513,344 = 638,130.51/x
  3. Step 3: Cross multiply
    1,097,067.60x = 1,513,344 × 638,130.51
  4. Step 4: Simplify right side
    1,097,067.60x = 965,710,978,525.44
  5. Step 5: Solve for x
    x = 965,710,978,525.44/1,097,067.60
  6. Step 6: Final answer
    x = 880,265.70

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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.