Home / 1,411,272-1,947,722.33-838,314.45

Finding the Fourth Proportional to 1,411,272, 1,947,722.33 and 838,314.45

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Solution

The fourth proportional to 1,411,272, 1,947,722.33 and 838,314.45 is: 1,156,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,272 : 1,947,722.33 = 838,314.45 : x
  2. Step 2: Convert to fraction form
    1,411,272/1,947,722.33 = 838,314.45/x
  3. Step 3: Cross multiply
    1,411,272x = 1,947,722.33 × 838,314.45
  4. Step 4: Simplify right side
    1,411,272x = 1,632,803,773,826.67
  5. Step 5: Solve for x
    x = 1,632,803,773,826.67/1,411,272
  6. Step 6: Final answer
    x = 1,156,973.12

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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.