Home / 916,222.77-1,264,344.75-508,320.27

Finding the Fourth Proportional to 916,222.77, 1,264,344.75 and 508,320.27

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Solution

The fourth proportional to 916,222.77, 1,264,344.75 and 508,320.27 is: 701,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,222.77 : 1,264,344.75 = 508,320.27 : x
  2. Step 2: Convert to fraction form
    916,222.77/1,264,344.75 = 508,320.27/x
  3. Step 3: Cross multiply
    916,222.77x = 1,264,344.75 × 508,320.27
  4. Step 4: Simplify right side
    916,222.77x = 642,692,064,693.08
  5. Step 5: Solve for x
    x = 642,692,064,693.08/916,222.77
  6. Step 6: Final answer
    x = 701,458.30

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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.