Home / 438,323.10-604,883.67-247,335.90

Finding the Fourth Proportional to 438,323.10, 604,883.67 and 247,335.90

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Solution

The fourth proportional to 438,323.10, 604,883.67 and 247,335.90 is: 341,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,323.10 : 604,883.67 = 247,335.90 : x
  2. Step 2: Convert to fraction form
    438,323.10/604,883.67 = 247,335.90/x
  3. Step 3: Cross multiply
    438,323.10x = 604,883.67 × 247,335.90
  4. Step 4: Simplify right side
    438,323.10x = 149,609,446,914.75
  5. Step 5: Solve for x
    x = 149,609,446,914.75/438,323.10
  6. Step 6: Final answer
    x = 341,322.30

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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.