Home / 912,465.77-1,258,784.23-590,279.77

Finding the Fourth Proportional to 912,465.77, 1,258,784.23 and 590,279.77

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Solution

The fourth proportional to 912,465.77, 1,258,784.23 and 590,279.77 is: 814,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,465.77 : 1,258,784.23 = 590,279.77 : x
  2. Step 2: Convert to fraction form
    912,465.77/1,258,784.23 = 590,279.77/x
  3. Step 3: Cross multiply
    912,465.77x = 1,258,784.23 × 590,279.77
  4. Step 4: Simplify right side
    912,465.77x = 743,034,865,764.03
  5. Step 5: Solve for x
    x = 743,034,865,764.03/912,465.77
  6. Step 6: Final answer
    x = 814,315.33

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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.