Home / 451,499.40-623,075.16-247,549.86

Finding the Fourth Proportional to 451,499.40, 623,075.16 and 247,549.86

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Solution

The fourth proportional to 451,499.40, 623,075.16 and 247,549.86 is: 341,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,499.40 : 623,075.16 = 247,549.86 : x
  2. Step 2: Convert to fraction form
    451,499.40/623,075.16 = 247,549.86/x
  3. Step 3: Cross multiply
    451,499.40x = 623,075.16 × 247,549.86
  4. Step 4: Simplify right side
    451,499.40x = 154,242,168,627.48
  5. Step 5: Solve for x
    x = 154,242,168,627.48/451,499.40
  6. Step 6: Final answer
    x = 341,622.09

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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.