Home / 926,623.47-1,390,833.98-447,188.67

Finding the Fourth Proportional to 926,623.47, 1,390,833.98 and 447,188.67

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Solution

The fourth proportional to 926,623.47, 1,390,833.98 and 447,188.67 is: 671,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,623.47 : 1,390,833.98 = 447,188.67 : x
  2. Step 2: Convert to fraction form
    926,623.47/1,390,833.98 = 447,188.67/x
  3. Step 3: Cross multiply
    926,623.47x = 1,390,833.98 × 447,188.67
  4. Step 4: Simplify right side
    926,623.47x = 621,965,195,471.06
  5. Step 5: Solve for x
    x = 621,965,195,471.06/926,623.47
  6. Step 6: Final answer
    x = 671,216.75

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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.