Home / 903,923.96-1,247,411.63-496,032.62

Finding the Fourth Proportional to 903,923.96, 1,247,411.63 and 496,032.62

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Solution

The fourth proportional to 903,923.96, 1,247,411.63 and 496,032.62 is: 684,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,923.96 : 1,247,411.63 = 496,032.62 : x
  2. Step 2: Convert to fraction form
    903,923.96/1,247,411.63 = 496,032.62/x
  3. Step 3: Cross multiply
    903,923.96x = 1,247,411.63 × 496,032.62
  4. Step 4: Simplify right side
    903,923.96x = 618,756,850,330.15
  5. Step 5: Solve for x
    x = 618,756,850,330.15/903,923.96
  6. Step 6: Final answer
    x = 684,523.12

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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.