Home / 912,859.66-1,259,322.15-590,673.66

Finding the Fourth Proportional to 912,859.66, 1,259,322.15 and 590,673.66

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Solution

The fourth proportional to 912,859.66, 1,259,322.15 and 590,673.66 is: 814,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,859.66 : 1,259,322.15 = 590,673.66 : x
  2. Step 2: Convert to fraction form
    912,859.66/1,259,322.15 = 590,673.66/x
  3. Step 3: Cross multiply
    912,859.66x = 1,259,322.15 × 590,673.66
  4. Step 4: Simplify right side
    912,859.66x = 743,848,423,459.57
  5. Step 5: Solve for x
    x = 743,848,423,459.57/912,859.66
  6. Step 6: Final answer
    x = 814,855.18

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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.