Home / 912,581.04-1,369,064.25-343,950.06

Finding the Fourth Proportional to 912,581.04, 1,369,064.25 and 343,950.06

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Solution

The fourth proportional to 912,581.04, 1,369,064.25 and 343,950.06 is: 515,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,581.04 : 1,369,064.25 = 343,950.06 : x
  2. Step 2: Convert to fraction form
    912,581.04/1,369,064.25 = 343,950.06/x
  3. Step 3: Cross multiply
    912,581.04x = 1,369,064.25 × 343,950.06
  4. Step 4: Simplify right side
    912,581.04x = 470,889,730,931.36
  5. Step 5: Solve for x
    x = 470,889,730,931.36/912,581.04
  6. Step 6: Final answer
    x = 515,997.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.