Home / 353,031.40-529,547.10-203,732.20

Finding the Fourth Proportional to 353,031.40, 529,547.10 and 203,732.20

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Solution

The fourth proportional to 353,031.40, 529,547.10 and 203,732.20 is: 305,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,031.40 : 529,547.10 = 203,732.20 : x
  2. Step 2: Convert to fraction form
    353,031.40/529,547.10 = 203,732.20/x
  3. Step 3: Cross multiply
    353,031.40x = 529,547.10 × 203,732.20
  4. Step 4: Simplify right side
    353,031.40x = 107,885,795,686.62
  5. Step 5: Solve for x
    x = 107,885,795,686.62/353,031.40
  6. Step 6: Final answer
    x = 305,598.30

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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.