Home / 977,600.27-1,349,141.67-548,018.39

Finding the Fourth Proportional to 977,600.27, 1,349,141.67 and 548,018.39

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Solution

The fourth proportional to 977,600.27, 1,349,141.67 and 548,018.39 is: 756,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,600.27 : 1,349,141.67 = 548,018.39 : x
  2. Step 2: Convert to fraction form
    977,600.27/1,349,141.67 = 548,018.39/x
  3. Step 3: Cross multiply
    977,600.27x = 1,349,141.67 × 548,018.39
  4. Step 4: Simplify right side
    977,600.27x = 739,354,439,129.60
  5. Step 5: Solve for x
    x = 739,354,439,129.60/977,600.27
  6. Step 6: Final answer
    x = 756,295.25

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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.