Home / 770,144.40-1,155,216.60-583,520.40

Finding the Fourth Proportional to 770,144.40, 1,155,216.60 and 583,520.40

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Solution

The fourth proportional to 770,144.40, 1,155,216.60 and 583,520.40 is: 875,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,144.40 : 1,155,216.60 = 583,520.40 : x
  2. Step 2: Convert to fraction form
    770,144.40/1,155,216.60 = 583,520.40/x
  3. Step 3: Cross multiply
    770,144.40x = 1,155,216.60 × 583,520.40
  4. Step 4: Simplify right side
    770,144.40x = 674,092,452,518.64
  5. Step 5: Solve for x
    x = 674,092,452,518.64/770,144.40
  6. Step 6: Final answer
    x = 875,280.60

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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.