Home / 927,727.83-1,280,042.60-540,308.07

Finding the Fourth Proportional to 927,727.83, 1,280,042.60 and 540,308.07

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Solution

The fourth proportional to 927,727.83, 1,280,042.60 and 540,308.07 is: 745,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,727.83 : 1,280,042.60 = 540,308.07 : x
  2. Step 2: Convert to fraction form
    927,727.83/1,280,042.60 = 540,308.07/x
  3. Step 3: Cross multiply
    927,727.83x = 1,280,042.60 × 540,308.07
  4. Step 4: Simplify right side
    927,727.83x = 691,617,344,022.24
  5. Step 5: Solve for x
    x = 691,617,344,022.24/927,727.83
  6. Step 6: Final answer
    x = 745,495.95

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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.