Home / 1,683,512.76-2,323,209.42-919,569.72

Finding the Fourth Proportional to 1,683,512.76, 2,323,209.42 and 919,569.72

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Solution

The fourth proportional to 1,683,512.76, 2,323,209.42 and 919,569.72 is: 1,268,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,512.76 : 2,323,209.42 = 919,569.72 : x
  2. Step 2: Convert to fraction form
    1,683,512.76/2,323,209.42 = 919,569.72/x
  3. Step 3: Cross multiply
    1,683,512.76x = 2,323,209.42 × 919,569.72
  4. Step 4: Simplify right side
    1,683,512.76x = 2,136,353,035,850.76
  5. Step 5: Solve for x
    x = 2,136,353,035,850.76/1,683,512.76
  6. Step 6: Final answer
    x = 1,268,985.35

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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.