Home / 436,430.54-602,297.97-245,455.22

Finding the Fourth Proportional to 436,430.54, 602,297.97 and 245,455.22

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Solution

The fourth proportional to 436,430.54, 602,297.97 and 245,455.22 is: 338,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,430.54 : 602,297.97 = 245,455.22 : x
  2. Step 2: Convert to fraction form
    436,430.54/602,297.97 = 245,455.22/x
  3. Step 3: Cross multiply
    436,430.54x = 602,297.97 × 245,455.22
  4. Step 4: Simplify right side
    436,430.54x = 147,837,180,731.90
  5. Step 5: Solve for x
    x = 147,837,180,731.90/436,430.54
  6. Step 6: Final answer
    x = 338,741.60

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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.