Home / 1,099,156.07-1,516,851.07-640,258.67

Finding the Fourth Proportional to 1,099,156.07, 1,516,851.07 and 640,258.67

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Solution

The fourth proportional to 1,099,156.07, 1,516,851.07 and 640,258.67 is: 883,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,156.07 : 1,516,851.07 = 640,258.67 : x
  2. Step 2: Convert to fraction form
    1,099,156.07/1,516,851.07 = 640,258.67/x
  3. Step 3: Cross multiply
    1,099,156.07x = 1,516,851.07 × 640,258.67
  4. Step 4: Simplify right side
    1,099,156.07x = 971,177,039,481.38
  5. Step 5: Solve for x
    x = 971,177,039,481.38/1,099,156.07
  6. Step 6: Final answer
    x = 883,566.10

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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.