Home / 419,174.02-578,370.45-249,374.98

Finding the Fourth Proportional to 419,174.02, 578,370.45 and 249,374.98

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Solution

The fourth proportional to 419,174.02, 578,370.45 and 249,374.98 is: 344,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,174.02 : 578,370.45 = 249,374.98 : x
  2. Step 2: Convert to fraction form
    419,174.02/578,370.45 = 249,374.98/x
  3. Step 3: Cross multiply
    419,174.02x = 578,370.45 × 249,374.98
  4. Step 4: Simplify right side
    419,174.02x = 144,231,119,401.34
  5. Step 5: Solve for x
    x = 144,231,119,401.34/419,174.02
  6. Step 6: Final answer
    x = 344,084.11

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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.