Home / 805,309.02-1,111,236.15-483,032.22

Finding the Fourth Proportional to 805,309.02, 1,111,236.15 and 483,032.22

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Solution

The fourth proportional to 805,309.02, 1,111,236.15 and 483,032.22 is: 666,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,309.02 : 1,111,236.15 = 483,032.22 : x
  2. Step 2: Convert to fraction form
    805,309.02/1,111,236.15 = 483,032.22/x
  3. Step 3: Cross multiply
    805,309.02x = 1,111,236.15 × 483,032.22
  4. Step 4: Simplify right side
    805,309.02x = 536,762,864,478.75
  5. Step 5: Solve for x
    x = 536,762,864,478.75/805,309.02
  6. Step 6: Final answer
    x = 666,530.30

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Double scale
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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.