Home / 927,803.89-1,280,347.71-545,855.27

Finding the Fourth Proportional to 927,803.89, 1,280,347.71 and 545,855.27

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Solution

The fourth proportional to 927,803.89, 1,280,347.71 and 545,855.27 is: 753,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,803.89 : 1,280,347.71 = 545,855.27 : x
  2. Step 2: Convert to fraction form
    927,803.89/1,280,347.71 = 545,855.27/x
  3. Step 3: Cross multiply
    927,803.89x = 1,280,347.71 × 545,855.27
  4. Step 4: Simplify right side
    927,803.89x = 698,884,544,935.93
  5. Step 5: Solve for x
    x = 698,884,544,935.93/927,803.89
  6. Step 6: Final answer
    x = 753,267.53

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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.