Home / 916,022.77-1,264,131.68-508,111.31

Finding the Fourth Proportional to 916,022.77, 1,264,131.68 and 508,111.31

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Solution

The fourth proportional to 916,022.77, 1,264,131.68 and 508,111.31 is: 701,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,022.77 : 1,264,131.68 = 508,111.31 : x
  2. Step 2: Convert to fraction form
    916,022.77/1,264,131.68 = 508,111.31/x
  3. Step 3: Cross multiply
    916,022.77x = 1,264,131.68 × 508,111.31
  4. Step 4: Simplify right side
    916,022.77x = 642,319,603,937.30
  5. Step 5: Solve for x
    x = 642,319,603,937.30/916,022.77
  6. Step 6: Final answer
    x = 701,204.84

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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.