Home / 827,705.16-1,142,240.58-501,025.68

Finding the Fourth Proportional to 827,705.16, 1,142,240.58 and 501,025.68

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Solution

The fourth proportional to 827,705.16, 1,142,240.58 and 501,025.68 is: 691,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,705.16 : 1,142,240.58 = 501,025.68 : x
  2. Step 2: Convert to fraction form
    827,705.16/1,142,240.58 = 501,025.68/x
  3. Step 3: Cross multiply
    827,705.16x = 1,142,240.58 × 501,025.68
  4. Step 4: Simplify right side
    827,705.16x = 572,291,863,318.10
  5. Step 5: Solve for x
    x = 572,291,863,318.10/827,705.16
  6. Step 6: Final answer
    x = 691,419.95

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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.