Home / 450,476.15-621,657-246,527.20

Finding the Fourth Proportional to 450,476.15, 621,657 and 246,527.20

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Solution

The fourth proportional to 450,476.15, 621,657 and 246,527.20 is: 340,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,476.15 : 621,657 = 246,527.20 : x
  2. Step 2: Convert to fraction form
    450,476.15/621,657 = 246,527.20/x
  3. Step 3: Cross multiply
    450,476.15x = 621,657 × 246,527.20
  4. Step 4: Simplify right side
    450,476.15x = 153,255,359,570.40
  5. Step 5: Solve for x
    x = 153,255,359,570.40/450,476.15
  6. Step 6: Final answer
    x = 340,207.49

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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.