Home / 436,431.04-602,298.66-245,455.72

Finding the Fourth Proportional to 436,431.04, 602,298.66 and 245,455.72

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Solution

The fourth proportional to 436,431.04, 602,298.66 and 245,455.72 is: 338,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,431.04 : 602,298.66 = 245,455.72 : x
  2. Step 2: Convert to fraction form
    436,431.04/602,298.66 = 245,455.72/x
  3. Step 3: Cross multiply
    436,431.04x = 602,298.66 × 245,455.72
  4. Step 4: Simplify right side
    436,431.04x = 147,837,651,245.34
  5. Step 5: Solve for x
    x = 147,837,651,245.34/436,431.04
  6. Step 6: Final answer
    x = 338,742.29

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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.