Home / 916,652.32-1,264,961.16-508,730.24

Finding the Fourth Proportional to 916,652.32, 1,264,961.16 and 508,730.24

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Solution

The fourth proportional to 916,652.32, 1,264,961.16 and 508,730.24 is: 702,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,652.32 : 1,264,961.16 = 508,730.24 : x
  2. Step 2: Convert to fraction form
    916,652.32/1,264,961.16 = 508,730.24/x
  3. Step 3: Cross multiply
    916,652.32x = 1,264,961.16 × 508,730.24
  4. Step 4: Simplify right side
    916,652.32x = 643,523,997,679.88
  5. Step 5: Solve for x
    x = 643,523,997,679.88/916,652.32
  6. Step 6: Final answer
    x = 702,037.17

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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.