Home / 909,118.58-1,253,279.58-715,189.23

Finding the Fourth Proportional to 909,118.58, 1,253,279.58 and 715,189.23

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Solution

The fourth proportional to 909,118.58, 1,253,279.58 and 715,189.23 is: 985,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,118.58 : 1,253,279.58 = 715,189.23 : x
  2. Step 2: Convert to fraction form
    909,118.58/1,253,279.58 = 715,189.23/x
  3. Step 3: Cross multiply
    909,118.58x = 1,253,279.58 × 715,189.23
  4. Step 4: Simplify right side
    909,118.58x = 896,332,051,528.53
  5. Step 5: Solve for x
    x = 896,332,051,528.53/909,118.58
  6. Step 6: Final answer
    x = 985,935.25

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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.