Home / 912,783.08-1,259,221.56-590,598.20

Finding the Fourth Proportional to 912,783.08, 1,259,221.56 and 590,598.20

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Solution

The fourth proportional to 912,783.08, 1,259,221.56 and 590,598.20 is: 814,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,783.08 : 1,259,221.56 = 590,598.20 : x
  2. Step 2: Convert to fraction form
    912,783.08/1,259,221.56 = 590,598.20/x
  3. Step 3: Cross multiply
    912,783.08x = 1,259,221.56 × 590,598.20
  4. Step 4: Simplify right side
    912,783.08x = 743,693,986,737.19
  5. Step 5: Solve for x
    x = 743,693,986,737.19/912,783.08
  6. Step 6: Final answer
    x = 814,754.35

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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.