Home / 903,966.73-1,247,489.40-496,106.52

Finding the Fourth Proportional to 903,966.73, 1,247,489.40 and 496,106.52

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Solution

The fourth proportional to 903,966.73, 1,247,489.40 and 496,106.52 is: 684,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,966.73 : 1,247,489.40 = 496,106.52 : x
  2. Step 2: Convert to fraction form
    903,966.73/1,247,489.40 = 496,106.52/x
  3. Step 3: Cross multiply
    903,966.73x = 1,247,489.40 × 496,106.52
  4. Step 4: Simplify right side
    903,966.73x = 618,887,624,970.89
  5. Step 5: Solve for x
    x = 618,887,624,970.89/903,966.73
  6. Step 6: Final answer
    x = 684,635.40

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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.