Home / 418,165.02-577,026.09-236,840.76

Finding the Fourth Proportional to 418,165.02, 577,026.09 and 236,840.76

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Solution

The fourth proportional to 418,165.02, 577,026.09 and 236,840.76 is: 326,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,165.02 : 577,026.09 = 236,840.76 : x
  2. Step 2: Convert to fraction form
    418,165.02/577,026.09 = 236,840.76/x
  3. Step 3: Cross multiply
    418,165.02x = 577,026.09 × 236,840.76
  4. Step 4: Simplify right side
    418,165.02x = 136,663,297,695.43
  5. Step 5: Solve for x
    x = 136,663,297,695.43/418,165.02
  6. Step 6: Final answer
    x = 326,816.67

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Half scale
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Double scale
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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.