Home / 748,637.61-1,122,477.65-444,950.76

Finding the Fourth Proportional to 748,637.61, 1,122,477.65 and 444,950.76

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Solution

The fourth proportional to 748,637.61, 1,122,477.65 and 444,950.76 is: 667,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,637.61 : 1,122,477.65 = 444,950.76 : x
  2. Step 2: Convert to fraction form
    748,637.61/1,122,477.65 = 444,950.76/x
  3. Step 3: Cross multiply
    748,637.61x = 1,122,477.65 × 444,950.76
  4. Step 4: Simplify right side
    748,637.61x = 499,447,281,225.76
  5. Step 5: Solve for x
    x = 499,447,281,225.76/748,637.61
  6. Step 6: Final answer
    x = 667,141.58

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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.