Home / 770,010.40-1,153,703.40-657,161.20

Finding the Fourth Proportional to 770,010.40, 1,153,703.40 and 657,161.20

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Solution

The fourth proportional to 770,010.40, 1,153,703.40 and 657,161.20 is: 984,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,010.40 : 1,153,703.40 = 657,161.20 : x
  2. Step 2: Convert to fraction form
    770,010.40/1,153,703.40 = 657,161.20/x
  3. Step 3: Cross multiply
    770,010.40x = 1,153,703.40 × 657,161.20
  4. Step 4: Simplify right side
    770,010.40x = 758,169,110,788.08
  5. Step 5: Solve for x
    x = 758,169,110,788.08/770,010.40
  6. Step 6: Final answer
    x = 984,621.91

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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.