Home / 747,095.16-1,030,993.74-407,570.52

Finding the Fourth Proportional to 747,095.16, 1,030,993.74 and 407,570.52

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Solution

The fourth proportional to 747,095.16, 1,030,993.74 and 407,570.52 is: 562,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,095.16 : 1,030,993.74 = 407,570.52 : x
  2. Step 2: Convert to fraction form
    747,095.16/1,030,993.74 = 407,570.52/x
  3. Step 3: Cross multiply
    747,095.16x = 1,030,993.74 × 407,570.52
  4. Step 4: Simplify right side
    747,095.16x = 420,202,654,728.55
  5. Step 5: Solve for x
    x = 420,202,654,728.55/747,095.16
  6. Step 6: Final answer
    x = 562,448.64

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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.