Home / 862,925.99-1,190,878.62-480,955.55

Finding the Fourth Proportional to 862,925.99, 1,190,878.62 and 480,955.55

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Solution

The fourth proportional to 862,925.99, 1,190,878.62 and 480,955.55 is: 663,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,925.99 : 1,190,878.62 = 480,955.55 : x
  2. Step 2: Convert to fraction form
    862,925.99/1,190,878.62 = 480,955.55/x
  3. Step 3: Cross multiply
    862,925.99x = 1,190,878.62 × 480,955.55
  4. Step 4: Simplify right side
    862,925.99x = 572,759,681,665.34
  5. Step 5: Solve for x
    x = 572,759,681,665.34/862,925.99
  6. Step 6: Final answer
    x = 663,741.37

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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.