Home / 1,079,739.04-1,617,831.42-369,378.76

Finding the Fourth Proportional to 1,079,739.04, 1,617,831.42 and 369,378.76

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Solution

The fourth proportional to 1,079,739.04, 1,617,831.42 and 369,378.76 is: 553,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,739.04 : 1,617,831.42 = 369,378.76 : x
  2. Step 2: Convert to fraction form
    1,079,739.04/1,617,831.42 = 369,378.76/x
  3. Step 3: Cross multiply
    1,079,739.04x = 1,617,831.42 × 369,378.76
  4. Step 4: Simplify right side
    1,079,739.04x = 597,592,563,808.64
  5. Step 5: Solve for x
    x = 597,592,563,808.64/1,079,739.04
  6. Step 6: Final answer
    x = 553,460.18

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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.