Home / 1,545,495.89-2,132,678.07-857,103.14

Finding the Fourth Proportional to 1,545,495.89, 2,132,678.07 and 857,103.14

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Solution

The fourth proportional to 1,545,495.89, 2,132,678.07 and 857,103.14 is: 1,182,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,495.89 : 2,132,678.07 = 857,103.14 : x
  2. Step 2: Convert to fraction form
    1,545,495.89/2,132,678.07 = 857,103.14/x
  3. Step 3: Cross multiply
    1,545,495.89x = 2,132,678.07 × 857,103.14
  4. Step 4: Simplify right side
    1,545,495.89x = 1,827,925,059,742.75
  5. Step 5: Solve for x
    x = 1,827,925,059,742.75/1,545,495.89
  6. Step 6: Final answer
    x = 1,182,743.40

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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.