Home / 1,434,106.23-1,979,209.56-1,070,899.52

Finding the Fourth Proportional to 1,434,106.23, 1,979,209.56 and 1,070,899.52

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Solution

The fourth proportional to 1,434,106.23, 1,979,209.56 and 1,070,899.52 is: 1,477,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,106.23 : 1,979,209.56 = 1,070,899.52 : x
  2. Step 2: Convert to fraction form
    1,434,106.23/1,979,209.56 = 1,070,899.52/x
  3. Step 3: Cross multiply
    1,434,106.23x = 1,979,209.56 × 1,070,899.52
  4. Step 4: Simplify right side
    1,434,106.23x = 2,119,534,567,241.22
  5. Step 5: Solve for x
    x = 2,119,534,567,241.22/1,434,106.23
  6. Step 6: Final answer
    x = 1,477,948.10

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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.