Home / 912,465.27-1,258,783.53-590,279.27

Finding the Fourth Proportional to 912,465.27, 1,258,783.53 and 590,279.27

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Solution

The fourth proportional to 912,465.27, 1,258,783.53 and 590,279.27 is: 814,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,465.27 : 1,258,783.53 = 590,279.27 : x
  2. Step 2: Convert to fraction form
    912,465.27/1,258,783.53 = 590,279.27/x
  3. Step 3: Cross multiply
    912,465.27x = 1,258,783.53 × 590,279.27
  4. Step 4: Simplify right side
    912,465.27x = 743,033,816,882.51
  5. Step 5: Solve for x
    x = 743,033,816,882.51/912,465.27
  6. Step 6: Final answer
    x = 814,314.63

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Double scale
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Similar ratio
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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.