Home / 733,172.21-1,011,762.39-402,023.50

Finding the Fourth Proportional to 733,172.21, 1,011,762.39 and 402,023.50

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Solution

The fourth proportional to 733,172.21, 1,011,762.39 and 402,023.50 is: 554,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,172.21 : 1,011,762.39 = 402,023.50 : x
  2. Step 2: Convert to fraction form
    733,172.21/1,011,762.39 = 402,023.50/x
  3. Step 3: Cross multiply
    733,172.21x = 1,011,762.39 × 402,023.50
  4. Step 4: Simplify right side
    733,172.21x = 406,752,261,865.51
  5. Step 5: Solve for x
    x = 406,752,261,865.51/733,172.21
  6. Step 6: Final answer
    x = 554,784.07

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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.