Home / 1,314,140.70-1,971,211.05-865,368.30

Finding the Fourth Proportional to 1,314,140.70, 1,971,211.05 and 865,368.30

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Solution

The fourth proportional to 1,314,140.70, 1,971,211.05 and 865,368.30 is: 1,298,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,140.70 : 1,971,211.05 = 865,368.30 : x
  2. Step 2: Convert to fraction form
    1,314,140.70/1,971,211.05 = 865,368.30/x
  3. Step 3: Cross multiply
    1,314,140.70x = 1,971,211.05 × 865,368.30
  4. Step 4: Simplify right side
    1,314,140.70x = 1,705,823,555,279.72
  5. Step 5: Solve for x
    x = 1,705,823,555,279.72/1,314,140.70
  6. Step 6: Final answer
    x = 1,298,052.45

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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.