Home / 912,986.90-1,370,603.55-576,026.90

Finding the Fourth Proportional to 912,986.90, 1,370,603.55 and 576,026.90

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Solution

The fourth proportional to 912,986.90, 1,370,603.55 and 576,026.90 is: 864,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,986.90 : 1,370,603.55 = 576,026.90 : x
  2. Step 2: Convert to fraction form
    912,986.90/1,370,603.55 = 576,026.90/x
  3. Step 3: Cross multiply
    912,986.90x = 1,370,603.55 × 576,026.90
  4. Step 4: Simplify right side
    912,986.90x = 789,504,514,035.50
  5. Step 5: Solve for x
    x = 789,504,514,035.50/912,986.90
  6. Step 6: Final answer
    x = 864,749.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.