Home / 1,513,200.78-2,088,364.35-1,130,563.26

Finding the Fourth Proportional to 1,513,200.78, 2,088,364.35 and 1,130,563.26

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Solution

The fourth proportional to 1,513,200.78, 2,088,364.35 and 1,130,563.26 is: 1,560,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,200.78 : 2,088,364.35 = 1,130,563.26 : x
  2. Step 2: Convert to fraction form
    1,513,200.78/2,088,364.35 = 1,130,563.26/x
  3. Step 3: Cross multiply
    1,513,200.78x = 2,088,364.35 × 1,130,563.26
  4. Step 4: Simplify right side
    1,513,200.78x = 2,361,028,007,603.78
  5. Step 5: Solve for x
    x = 2,361,028,007,603.78/1,513,200.78
  6. Step 6: Final answer
    x = 1,560,287.33

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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.