Home / 386,533.35-533,416.65-214,445.91

Finding the Fourth Proportional to 386,533.35, 533,416.65 and 214,445.91

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Solution

The fourth proportional to 386,533.35, 533,416.65 and 214,445.91 is: 295,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,533.35 : 533,416.65 = 214,445.91 : x
  2. Step 2: Convert to fraction form
    386,533.35/533,416.65 = 214,445.91/x
  3. Step 3: Cross multiply
    386,533.35x = 533,416.65 × 214,445.91
  4. Step 4: Simplify right side
    386,533.35x = 114,389,018,918.40
  5. Step 5: Solve for x
    x = 114,389,018,918.40/386,533.35
  6. Step 6: Final answer
    x = 295,935.70

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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.