Home / 835,888.96-1,153,821.06-496,354.78

Finding the Fourth Proportional to 835,888.96, 1,153,821.06 and 496,354.78

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Solution

The fourth proportional to 835,888.96, 1,153,821.06 and 496,354.78 is: 685,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,888.96 : 1,153,821.06 = 496,354.78 : x
  2. Step 2: Convert to fraction form
    835,888.96/1,153,821.06 = 496,354.78/x
  3. Step 3: Cross multiply
    835,888.96x = 1,153,821.06 × 496,354.78
  4. Step 4: Simplify right side
    835,888.96x = 572,704,598,395.67
  5. Step 5: Solve for x
    x = 572,704,598,395.67/835,888.96
  6. Step 6: Final answer
    x = 685,144.35

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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.