Home / 805,266.68-1,111,289.52-437,768.60

Finding the Fourth Proportional to 805,266.68, 1,111,289.52 and 437,768.60

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Solution

The fourth proportional to 805,266.68, 1,111,289.52 and 437,768.60 is: 604,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,266.68 : 1,111,289.52 = 437,768.60 : x
  2. Step 2: Convert to fraction form
    805,266.68/1,111,289.52 = 437,768.60/x
  3. Step 3: Cross multiply
    805,266.68x = 1,111,289.52 × 437,768.60
  4. Step 4: Simplify right side
    805,266.68x = 486,487,657,365.07
  5. Step 5: Solve for x
    x = 486,487,657,365.07/805,266.68
  6. Step 6: Final answer
    x = 604,132.36

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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.