Home / 806,856.23-1,113,439.79-462,750.01

Finding the Fourth Proportional to 806,856.23, 1,113,439.79 and 462,750.01

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Solution

The fourth proportional to 806,856.23, 1,113,439.79 and 462,750.01 is: 638,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,856.23 : 1,113,439.79 = 462,750.01 : x
  2. Step 2: Convert to fraction form
    806,856.23/1,113,439.79 = 462,750.01/x
  3. Step 3: Cross multiply
    806,856.23x = 1,113,439.79 × 462,750.01
  4. Step 4: Simplify right side
    806,856.23x = 515,244,272,330.17
  5. Step 5: Solve for x
    x = 515,244,272,330.17/806,856.23
  6. Step 6: Final answer
    x = 638,582.50

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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.