Home / 624,587.85-936,741.51-287,304.57

Finding the Fourth Proportional to 624,587.85, 936,741.51 and 287,304.57

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Solution

The fourth proportional to 624,587.85, 936,741.51 and 287,304.57 is: 430,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,587.85 : 936,741.51 = 287,304.57 : x
  2. Step 2: Convert to fraction form
    624,587.85/936,741.51 = 287,304.57/x
  3. Step 3: Cross multiply
    624,587.85x = 936,741.51 × 287,304.57
  4. Step 4: Simplify right side
    624,587.85x = 269,130,116,731.70
  5. Step 5: Solve for x
    x = 269,130,116,731.70/624,587.85
  6. Step 6: Final answer
    x = 430,892.33

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1.5x scale

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.