Home / 424,723.85-637,085.12-291,199.31

Finding the Fourth Proportional to 424,723.85, 637,085.12 and 291,199.31

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Solution

The fourth proportional to 424,723.85, 637,085.12 and 291,199.31 is: 436,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,723.85 : 637,085.12 = 291,199.31 : x
  2. Step 2: Convert to fraction form
    424,723.85/637,085.12 = 291,199.31/x
  3. Step 3: Cross multiply
    424,723.85x = 637,085.12 × 291,199.31
  4. Step 4: Simplify right side
    424,723.85x = 185,518,742,713.85
  5. Step 5: Solve for x
    x = 185,518,742,713.85/424,723.85
  6. Step 6: Final answer
    x = 436,798.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.