Home / 646,317.01-969,025.83-286,292.40

Finding the Fourth Proportional to 646,317.01, 969,025.83 and 286,292.40

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Solution

The fourth proportional to 646,317.01, 969,025.83 and 286,292.40 is: 429,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,317.01 : 969,025.83 = 286,292.40 : x
  2. Step 2: Convert to fraction form
    646,317.01/969,025.83 = 286,292.40/x
  3. Step 3: Cross multiply
    646,317.01x = 969,025.83 × 286,292.40
  4. Step 4: Simplify right side
    646,317.01x = 277,424,730,532.69
  5. Step 5: Solve for x
    x = 277,424,730,532.69/646,317.01
  6. Step 6: Final answer
    x = 429,239.41

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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.