Home / 912,895.02-1,259,370.60-590,709.12

Finding the Fourth Proportional to 912,895.02, 1,259,370.60 and 590,709.12

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Solution

The fourth proportional to 912,895.02, 1,259,370.60 and 590,709.12 is: 814,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,895.02 : 1,259,370.60 = 590,709.12 : x
  2. Step 2: Convert to fraction form
    912,895.02/1,259,370.60 = 590,709.12/x
  3. Step 3: Cross multiply
    912,895.02x = 1,259,370.60 × 590,709.12
  4. Step 4: Simplify right side
    912,895.02x = 743,921,698,879.87
  5. Step 5: Solve for x
    x = 743,921,698,879.87/912,895.02
  6. Step 6: Final answer
    x = 814,903.89

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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.