Home / 1,314,208-1,971,312.06-515,865.52

Finding the Fourth Proportional to 1,314,208, 1,971,312.06 and 515,865.52

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Solution

The fourth proportional to 1,314,208, 1,971,312.06 and 515,865.52 is: 773,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,208 : 1,971,312.06 = 515,865.52 : x
  2. Step 2: Convert to fraction form
    1,314,208/1,971,312.06 = 515,865.52/x
  3. Step 3: Cross multiply
    1,314,208x = 1,971,312.06 × 515,865.52
  4. Step 4: Simplify right side
    1,314,208x = 1,016,931,920,914.17
  5. Step 5: Solve for x
    x = 1,016,931,920,914.17/1,314,208
  6. Step 6: Final answer
    x = 773,798.30

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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.