Home / 805,533.60-1,111,598.32-442,972.74

Finding the Fourth Proportional to 805,533.60, 1,111,598.32 and 442,972.74

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Solution

The fourth proportional to 805,533.60, 1,111,598.32 and 442,972.74 is: 611,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,533.60 : 1,111,598.32 = 442,972.74 : x
  2. Step 2: Convert to fraction form
    805,533.60/1,111,598.32 = 442,972.74/x
  3. Step 3: Cross multiply
    805,533.60x = 1,111,598.32 × 442,972.74
  4. Step 4: Simplify right side
    805,533.60x = 492,407,753,589.80
  5. Step 5: Solve for x
    x = 492,407,753,589.80/805,533.60
  6. Step 6: Final answer
    x = 611,281.46

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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.