Home / 927,803.76-1,280,347.53-545,855.15

Finding the Fourth Proportional to 927,803.76, 1,280,347.53 and 545,855.15

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Solution

The fourth proportional to 927,803.76, 1,280,347.53 and 545,855.15 is: 753,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,803.76 : 1,280,347.53 = 545,855.15 : x
  2. Step 2: Convert to fraction form
    927,803.76/1,280,347.53 = 545,855.15/x
  3. Step 3: Cross multiply
    927,803.76x = 1,280,347.53 × 545,855.15
  4. Step 4: Simplify right side
    927,803.76x = 698,884,293,040.28
  5. Step 5: Solve for x
    x = 698,884,293,040.28/927,803.76
  6. Step 6: Final answer
    x = 753,267.36

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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.