Home / 933,359.85-1,287,699.75-611,253.63

Finding the Fourth Proportional to 933,359.85, 1,287,699.75 and 611,253.63

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Solution

The fourth proportional to 933,359.85, 1,287,699.75 and 611,253.63 is: 843,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,359.85 : 1,287,699.75 = 611,253.63 : x
  2. Step 2: Convert to fraction form
    933,359.85/1,287,699.75 = 611,253.63/x
  3. Step 3: Cross multiply
    933,359.85x = 1,287,699.75 × 611,253.63
  4. Step 4: Simplify right side
    933,359.85x = 787,111,146,537.59
  5. Step 5: Solve for x
    x = 787,111,146,537.59/933,359.85
  6. Step 6: Final answer
    x = 843,309.41

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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.