Home / 1,137,759.36-1,570,092-621,507.12

Finding the Fourth Proportional to 1,137,759.36, 1,570,092 and 621,507.12

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Solution

The fourth proportional to 1,137,759.36, 1,570,092 and 621,507.12 is: 857,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,759.36 : 1,570,092 = 621,507.12 : x
  2. Step 2: Convert to fraction form
    1,137,759.36/1,570,092 = 621,507.12/x
  3. Step 3: Cross multiply
    1,137,759.36x = 1,570,092 × 621,507.12
  4. Step 4: Simplify right side
    1,137,759.36x = 975,823,357,055.04
  5. Step 5: Solve for x
    x = 975,823,357,055.04/1,137,759.36
  6. Step 6: Final answer
    x = 857,671.13

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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.