Home / 1,270,509.87-1,753,307.07-697,587.15

Finding the Fourth Proportional to 1,270,509.87, 1,753,307.07 and 697,587.15

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Solution

The fourth proportional to 1,270,509.87, 1,753,307.07 and 697,587.15 is: 962,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,509.87 : 1,753,307.07 = 697,587.15 : x
  2. Step 2: Convert to fraction form
    1,270,509.87/1,753,307.07 = 697,587.15/x
  3. Step 3: Cross multiply
    1,270,509.87x = 1,753,307.07 × 697,587.15
  4. Step 4: Simplify right side
    1,270,509.87x = 1,223,084,482,036.15
  5. Step 5: Solve for x
    x = 1,223,084,482,036.15/1,270,509.87
  6. Step 6: Final answer
    x = 962,672.16

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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.