Home / 555,955.02-767,217.78-301,306.23

Finding the Fourth Proportional to 555,955.02, 767,217.78 and 301,306.23

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Solution

The fourth proportional to 555,955.02, 767,217.78 and 301,306.23 is: 415,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,955.02 : 767,217.78 = 301,306.23 : x
  2. Step 2: Convert to fraction form
    555,955.02/767,217.78 = 301,306.23/x
  3. Step 3: Cross multiply
    555,955.02x = 767,217.78 × 301,306.23
  4. Step 4: Simplify right side
    555,955.02x = 231,167,496,880.77
  5. Step 5: Solve for x
    x = 231,167,496,880.77/555,955.02
  6. Step 6: Final answer
    x = 415,802.52

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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.