Home / 447,653.40-671,480.10-346,176.60

Finding the Fourth Proportional to 447,653.40, 671,480.10 and 346,176.60

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Solution

The fourth proportional to 447,653.40, 671,480.10 and 346,176.60 is: 519,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,653.40 : 671,480.10 = 346,176.60 : x
  2. Step 2: Convert to fraction form
    447,653.40/671,480.10 = 346,176.60/x
  3. Step 3: Cross multiply
    447,653.40x = 671,480.10 × 346,176.60
  4. Step 4: Simplify right side
    447,653.40x = 232,450,697,985.66
  5. Step 5: Solve for x
    x = 232,450,697,985.66/447,653.40
  6. Step 6: Final answer
    x = 519,264.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.