Home / 734,554.60-1,101,831.90-509,439.40

Finding the Fourth Proportional to 734,554.60, 1,101,831.90 and 509,439.40

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Solution

The fourth proportional to 734,554.60, 1,101,831.90 and 509,439.40 is: 764,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,554.60 : 1,101,831.90 = 509,439.40 : x
  2. Step 2: Convert to fraction form
    734,554.60/1,101,831.90 = 509,439.40/x
  3. Step 3: Cross multiply
    734,554.60x = 1,101,831.90 × 509,439.40
  4. Step 4: Simplify right side
    734,554.60x = 561,316,582,036.86
  5. Step 5: Solve for x
    x = 561,316,582,036.86/734,554.60
  6. Step 6: Final answer
    x = 764,159.10

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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.