Home / 439,825.01-607,031.10-301,890.58

Finding the Fourth Proportional to 439,825.01, 607,031.10 and 301,890.58

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Solution

The fourth proportional to 439,825.01, 607,031.10 and 301,890.58 is: 416,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,825.01 : 607,031.10 = 301,890.58 : x
  2. Step 2: Convert to fraction form
    439,825.01/607,031.10 = 301,890.58/x
  3. Step 3: Cross multiply
    439,825.01x = 607,031.10 × 301,890.58
  4. Step 4: Simplify right side
    439,825.01x = 183,256,970,483.74
  5. Step 5: Solve for x
    x = 183,256,970,483.74/439,825.01
  6. Step 6: Final answer
    x = 416,658.82

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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.