Home / 913,549.64-1,260,666.32-505,652.27

Finding the Fourth Proportional to 913,549.64, 1,260,666.32 and 505,652.27

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Solution

The fourth proportional to 913,549.64, 1,260,666.32 and 505,652.27 is: 697,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,549.64 : 1,260,666.32 = 505,652.27 : x
  2. Step 2: Convert to fraction form
    913,549.64/1,260,666.32 = 505,652.27/x
  3. Step 3: Cross multiply
    913,549.64x = 1,260,666.32 × 505,652.27
  4. Step 4: Simplify right side
    913,549.64x = 637,458,777,588.95
  5. Step 5: Solve for x
    x = 637,458,777,588.95/913,549.64
  6. Step 6: Final answer
    x = 697,782.31

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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.