Home / 805,403.84-1,111,515.20-483,127.52

Finding the Fourth Proportional to 805,403.84, 1,111,515.20 and 483,127.52

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Solution

The fourth proportional to 805,403.84, 1,111,515.20 and 483,127.52 is: 666,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,403.84 : 1,111,515.20 = 483,127.52 : x
  2. Step 2: Convert to fraction form
    805,403.84/1,111,515.20 = 483,127.52/x
  3. Step 3: Cross multiply
    805,403.84x = 1,111,515.20 × 483,127.52
  4. Step 4: Simplify right side
    805,403.84x = 537,003,582,018.30
  5. Step 5: Solve for x
    x = 537,003,582,018.30/805,403.84
  6. Step 6: Final answer
    x = 666,750.71

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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.