Home / 1,690,555.19-2,333,216.56-1,070,418

Finding the Fourth Proportional to 1,690,555.19, 2,333,216.56 and 1,070,418

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Solution

The fourth proportional to 1,690,555.19, 2,333,216.56 and 1,070,418 is: 1,477,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,555.19 : 2,333,216.56 = 1,070,418 : x
  2. Step 2: Convert to fraction form
    1,690,555.19/2,333,216.56 = 1,070,418/x
  3. Step 3: Cross multiply
    1,690,555.19x = 2,333,216.56 × 1,070,418
  4. Step 4: Simplify right side
    1,690,555.19x = 2,497,517,001,046.04
  5. Step 5: Solve for x
    x = 2,497,517,001,046.04/1,690,555.19
  6. Step 6: Final answer
    x = 1,477,335.39

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1.5x scale

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.