Home / 862,038.32-1,189,527.73-480,100.64

Finding the Fourth Proportional to 862,038.32, 1,189,527.73 and 480,100.64

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Solution

The fourth proportional to 862,038.32, 1,189,527.73 and 480,100.64 is: 662,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,038.32 : 1,189,527.73 = 480,100.64 : x
  2. Step 2: Convert to fraction form
    862,038.32/1,189,527.73 = 480,100.64/x
  3. Step 3: Cross multiply
    862,038.32x = 1,189,527.73 × 480,100.64
  4. Step 4: Simplify right side
    862,038.32x = 571,093,017,322.86
  5. Step 5: Solve for x
    x = 571,093,017,322.86/862,038.32
  6. Step 6: Final answer
    x = 662,491.45

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Double scale
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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.