Home / 968,598.81-1,336,666.19-538,878.83

Finding the Fourth Proportional to 968,598.81, 1,336,666.19 and 538,878.83

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Solution

The fourth proportional to 968,598.81, 1,336,666.19 and 538,878.83 is: 743,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,598.81 : 1,336,666.19 = 538,878.83 : x
  2. Step 2: Convert to fraction form
    968,598.81/1,336,666.19 = 538,878.83/x
  3. Step 3: Cross multiply
    968,598.81x = 1,336,666.19 × 538,878.83
  4. Step 4: Simplify right side
    968,598.81x = 720,301,103,190.03
  5. Step 5: Solve for x
    x = 720,301,103,190.03/968,598.81
  6. Step 6: Final answer
    x = 743,652.68

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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.