Home / 985,874.89-1,360,570.35-555,998.17

Finding the Fourth Proportional to 985,874.89, 1,360,570.35 and 555,998.17

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Solution

The fourth proportional to 985,874.89, 1,360,570.35 and 555,998.17 is: 767,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,874.89 : 1,360,570.35 = 555,998.17 : x
  2. Step 2: Convert to fraction form
    985,874.89/1,360,570.35 = 555,998.17/x
  3. Step 3: Cross multiply
    985,874.89x = 1,360,570.35 × 555,998.17
  4. Step 4: Simplify right side
    985,874.89x = 756,474,624,756.26
  5. Step 5: Solve for x
    x = 756,474,624,756.26/985,874.89
  6. Step 6: Final answer
    x = 767,313.01

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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.