Home / 305,726.85-456,531.58-249,678.23

Finding the Fourth Proportional to 305,726.85, 456,531.58 and 249,678.23

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Solution

The fourth proportional to 305,726.85, 456,531.58 and 249,678.23 is: 372,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,726.85 : 456,531.58 = 249,678.23 : x
  2. Step 2: Convert to fraction form
    305,726.85/456,531.58 = 249,678.23/x
  3. Step 3: Cross multiply
    305,726.85x = 456,531.58 × 249,678.23
  4. Step 4: Simplify right side
    305,726.85x = 113,985,994,862.94
  5. Step 5: Solve for x
    x = 113,985,994,862.94/305,726.85
  6. Step 6: Final answer
    x = 372,836.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.