Home / 719,036.37-992,329.73-413,172.18

Finding the Fourth Proportional to 719,036.37, 992,329.73 and 413,172.18

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Solution

The fourth proportional to 719,036.37, 992,329.73 and 413,172.18 is: 570,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,036.37 : 992,329.73 = 413,172.18 : x
  2. Step 2: Convert to fraction form
    719,036.37/992,329.73 = 413,172.18/x
  3. Step 3: Cross multiply
    719,036.37x = 992,329.73 × 413,172.18
  4. Step 4: Simplify right side
    719,036.37x = 410,003,035,757.05
  5. Step 5: Solve for x
    x = 410,003,035,757.05/719,036.37
  6. Step 6: Final answer
    x = 570,211.82

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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.