Home / 1,247,564.34-1,871,070.66-348,764.45

Finding the Fourth Proportional to 1,247,564.34, 1,871,070.66 and 348,764.45

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Solution

The fourth proportional to 1,247,564.34, 1,871,070.66 and 348,764.45 is: 523,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,564.34 : 1,871,070.66 = 348,764.45 : x
  2. Step 2: Convert to fraction form
    1,247,564.34/1,871,070.66 = 348,764.45/x
  3. Step 3: Cross multiply
    1,247,564.34x = 1,871,070.66 × 348,764.45
  4. Step 4: Simplify right side
    1,247,564.34x = 652,562,920,290.68
  5. Step 5: Solve for x
    x = 652,562,920,290.68/1,247,564.34
  6. Step 6: Final answer
    x = 523,069.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.