Home / 469,918.07-648,487.68-255,058.22

Finding the Fourth Proportional to 469,918.07, 648,487.68 and 255,058.22

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Solution

The fourth proportional to 469,918.07, 648,487.68 and 255,058.22 is: 351,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,918.07 : 648,487.68 = 255,058.22 : x
  2. Step 2: Convert to fraction form
    469,918.07/648,487.68 = 255,058.22/x
  3. Step 3: Cross multiply
    469,918.07x = 648,487.68 × 255,058.22
  4. Step 4: Simplify right side
    469,918.07x = 165,402,114,017.48
  5. Step 5: Solve for x
    x = 165,402,114,017.48/469,918.07
  6. Step 6: Final answer
    x = 351,980.75

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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.