Home / 554,526.14-765,453.04-431,775.50

Finding the Fourth Proportional to 554,526.14, 765,453.04 and 431,775.50

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Solution

The fourth proportional to 554,526.14, 765,453.04 and 431,775.50 is: 596,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,526.14 : 765,453.04 = 431,775.50 : x
  2. Step 2: Convert to fraction form
    554,526.14/765,453.04 = 431,775.50/x
  3. Step 3: Cross multiply
    554,526.14x = 765,453.04 × 431,775.50
  4. Step 4: Simplify right side
    554,526.14x = 330,503,864,165.82
  5. Step 5: Solve for x
    x = 330,503,864,165.82/554,526.14
  6. Step 6: Final answer
    x = 596,011.34

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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.