Home / 971,119.13-1,340,317.53-608,853.51

Finding the Fourth Proportional to 971,119.13, 1,340,317.53 and 608,853.51

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Solution

The fourth proportional to 971,119.13, 1,340,317.53 and 608,853.51 is: 840,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,119.13 : 1,340,317.53 = 608,853.51 : x
  2. Step 2: Convert to fraction form
    971,119.13/1,340,317.53 = 608,853.51/x
  3. Step 3: Cross multiply
    971,119.13x = 1,340,317.53 × 608,853.51
  4. Step 4: Simplify right side
    971,119.13x = 816,057,032,655.03
  5. Step 5: Solve for x
    x = 816,057,032,655.03/971,119.13
  6. Step 6: Final answer
    x = 840,326.39

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Double scale
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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.