Home / 916,025.70-1,264,135.76-508,114.29

Finding the Fourth Proportional to 916,025.70, 1,264,135.76 and 508,114.29

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Solution

The fourth proportional to 916,025.70, 1,264,135.76 and 508,114.29 is: 701,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,025.70 : 1,264,135.76 = 508,114.29 : x
  2. Step 2: Convert to fraction form
    916,025.70/1,264,135.76 = 508,114.29/x
  3. Step 3: Cross multiply
    916,025.70x = 1,264,135.76 × 508,114.29
  4. Step 4: Simplify right side
    916,025.70x = 642,325,444,156.01
  5. Step 5: Solve for x
    x = 642,325,444,156.01/916,025.70
  6. Step 6: Final answer
    x = 701,208.98

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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.