Home / 988,058.42-1,363,521.52-535,349.42

Finding the Fourth Proportional to 988,058.42, 1,363,521.52 and 535,349.42

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Solution

The fourth proportional to 988,058.42, 1,363,521.52 and 535,349.42 is: 738,782.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,058.42 : 1,363,521.52 = 535,349.42 : x
  2. Step 2: Convert to fraction form
    988,058.42/1,363,521.52 = 535,349.42/x
  3. Step 3: Cross multiply
    988,058.42x = 1,363,521.52 × 535,349.42
  4. Step 4: Simplify right side
    988,058.42x = 729,960,454,889.52
  5. Step 5: Solve for x
    x = 729,960,454,889.52/988,058.42
  6. Step 6: Final answer
    x = 738,782.69

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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.