Home / 983,738.03-1,357,522.65-548,132.87

Finding the Fourth Proportional to 983,738.03, 1,357,522.65 and 548,132.87

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Solution

The fourth proportional to 983,738.03, 1,357,522.65 and 548,132.87 is: 756,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,738.03 : 1,357,522.65 = 548,132.87 : x
  2. Step 2: Convert to fraction form
    983,738.03/1,357,522.65 = 548,132.87/x
  3. Step 3: Cross multiply
    983,738.03x = 1,357,522.65 × 548,132.87
  4. Step 4: Simplify right side
    983,738.03x = 744,102,786,234.51
  5. Step 5: Solve for x
    x = 744,102,786,234.51/983,738.03
  6. Step 6: Final answer
    x = 756,403.40

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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.