Home / 758,816.21-1,047,158.93-419,277.17

Finding the Fourth Proportional to 758,816.21, 1,047,158.93 and 419,277.17

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Solution

The fourth proportional to 758,816.21, 1,047,158.93 and 419,277.17 is: 578,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,816.21 : 1,047,158.93 = 419,277.17 : x
  2. Step 2: Convert to fraction form
    758,816.21/1,047,158.93 = 419,277.17/x
  3. Step 3: Cross multiply
    758,816.21x = 1,047,158.93 × 419,277.17
  4. Step 4: Simplify right side
    758,816.21x = 439,049,828,523.03
  5. Step 5: Solve for x
    x = 439,049,828,523.03/758,816.21
  6. Step 6: Final answer
    x = 578,598.38

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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.