Home / 1,284,587.12-1,772,647.09-703,809.45

Finding the Fourth Proportional to 1,284,587.12, 1,772,647.09 and 703,809.45

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Solution

The fourth proportional to 1,284,587.12, 1,772,647.09 and 703,809.45 is: 971,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,587.12 : 1,772,647.09 = 703,809.45 : x
  2. Step 2: Convert to fraction form
    1,284,587.12/1,772,647.09 = 703,809.45/x
  3. Step 3: Cross multiply
    1,284,587.12x = 1,772,647.09 × 703,809.45
  4. Step 4: Simplify right side
    1,284,587.12x = 1,247,605,771,697.48
  5. Step 5: Solve for x
    x = 1,247,605,771,697.48/1,284,587.12
  6. Step 6: Final answer
    x = 971,211.49

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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.