Home / 719,518.47-1,079,089.65-213,943.29

Finding the Fourth Proportional to 719,518.47, 1,079,089.65 and 213,943.29

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Solution

The fourth proportional to 719,518.47, 1,079,089.65 and 213,943.29 is: 320,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,518.47 : 1,079,089.65 = 213,943.29 : x
  2. Step 2: Convert to fraction form
    719,518.47/1,079,089.65 = 213,943.29/x
  3. Step 3: Cross multiply
    719,518.47x = 1,079,089.65 × 213,943.29
  4. Step 4: Simplify right side
    719,518.47x = 230,863,989,925.95
  5. Step 5: Solve for x
    x = 230,863,989,925.95/719,518.47
  6. Step 6: Final answer
    x = 320,859.02

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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.