Home / 1,411,465.14-1,947,602.61-838,490.58

Finding the Fourth Proportional to 1,411,465.14, 1,947,602.61 and 838,490.58

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Solution

The fourth proportional to 1,411,465.14, 1,947,602.61 and 838,490.58 is: 1,156,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,465.14 : 1,947,602.61 = 838,490.58 : x
  2. Step 2: Convert to fraction form
    1,411,465.14/1,947,602.61 = 838,490.58/x
  3. Step 3: Cross multiply
    1,411,465.14x = 1,947,602.61 × 838,490.58
  4. Step 4: Simplify right side
    1,411,465.14x = 1,633,046,442,068.41
  5. Step 5: Solve for x
    x = 1,633,046,442,068.41/1,411,465.14
  6. Step 6: Final answer
    x = 1,156,986.73

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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.