Home / 903,928.68-1,355,893.02-398,381.76

Finding the Fourth Proportional to 903,928.68, 1,355,893.02 and 398,381.76

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Solution

The fourth proportional to 903,928.68, 1,355,893.02 and 398,381.76 is: 597,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,928.68 : 1,355,893.02 = 398,381.76 : x
  2. Step 2: Convert to fraction form
    903,928.68/1,355,893.02 = 398,381.76/x
  3. Step 3: Cross multiply
    903,928.68x = 1,355,893.02 × 398,381.76
  4. Step 4: Simplify right side
    903,928.68x = 540,163,047,679.32
  5. Step 5: Solve for x
    x = 540,163,047,679.32/903,928.68
  6. Step 6: Final answer
    x = 597,572.64

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Double scale
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Similar ratio
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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.