Home / 893,798.23-1,233,449.55-485,900.86

Finding the Fourth Proportional to 893,798.23, 1,233,449.55 and 485,900.86

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Solution

The fourth proportional to 893,798.23, 1,233,449.55 and 485,900.86 is: 670,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,798.23 : 1,233,449.55 = 485,900.86 : x
  2. Step 2: Convert to fraction form
    893,798.23/1,233,449.55 = 485,900.86/x
  3. Step 3: Cross multiply
    893,798.23x = 1,233,449.55 × 485,900.86
  4. Step 4: Simplify right side
    893,798.23x = 599,334,197,111.61
  5. Step 5: Solve for x
    x = 599,334,197,111.61/893,798.23
  6. Step 6: Final answer
    x = 670,547.53

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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.