Home / 646,078.16-969,333.06-286,200.16

Finding the Fourth Proportional to 646,078.16, 969,333.06 and 286,200.16

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Solution

The fourth proportional to 646,078.16, 969,333.06 and 286,200.16 is: 429,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,078.16 : 969,333.06 = 286,200.16 : x
  2. Step 2: Convert to fraction form
    646,078.16/969,333.06 = 286,200.16/x
  3. Step 3: Cross multiply
    646,078.16x = 969,333.06 × 286,200.16
  4. Step 4: Simplify right side
    646,078.16x = 277,423,276,865.29
  5. Step 5: Solve for x
    x = 277,423,276,865.29/646,078.16
  6. Step 6: Final answer
    x = 429,395.84

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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.