Home / 975,676.14-1,346,389.11-540,109.80

Finding the Fourth Proportional to 975,676.14, 1,346,389.11 and 540,109.80

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Solution

The fourth proportional to 975,676.14, 1,346,389.11 and 540,109.80 is: 745,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,676.14 : 1,346,389.11 = 540,109.80 : x
  2. Step 2: Convert to fraction form
    975,676.14/1,346,389.11 = 540,109.80/x
  3. Step 3: Cross multiply
    975,676.14x = 1,346,389.11 × 540,109.80
  4. Step 4: Simplify right side
    975,676.14x = 727,197,952,924.28
  5. Step 5: Solve for x
    x = 727,197,952,924.28/975,676.14
  6. Step 6: Final answer
    x = 745,327.19

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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.