Home / 440,113.50-607,363.95-238,909.50

Finding the Fourth Proportional to 440,113.50, 607,363.95 and 238,909.50

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Solution

The fourth proportional to 440,113.50, 607,363.95 and 238,909.50 is: 329,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,113.50 : 607,363.95 = 238,909.50 : x
  2. Step 2: Convert to fraction form
    440,113.50/607,363.95 = 238,909.50/x
  3. Step 3: Cross multiply
    440,113.50x = 607,363.95 × 238,909.50
  4. Step 4: Simplify right side
    440,113.50x = 145,105,017,612.53
  5. Step 5: Solve for x
    x = 145,105,017,612.53/440,113.50
  6. Step 6: Final answer
    x = 329,699.08

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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.