Home / 916,925.62-1,265,293.80-508,995.44

Finding the Fourth Proportional to 916,925.62, 1,265,293.80 and 508,995.44

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Solution

The fourth proportional to 916,925.62, 1,265,293.80 and 508,995.44 is: 702,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,925.62 : 1,265,293.80 = 508,995.44 : x
  2. Step 2: Convert to fraction form
    916,925.62/1,265,293.80 = 508,995.44/x
  3. Step 3: Cross multiply
    916,925.62x = 1,265,293.80 × 508,995.44
  4. Step 4: Simplify right side
    916,925.62x = 644,028,774,460.27
  5. Step 5: Solve for x
    x = 644,028,774,460.27/916,925.62
  6. Step 6: Final answer
    x = 702,378.43

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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.