Home / 440,327.90-607,838.56-297,281.72

Finding the Fourth Proportional to 440,327.90, 607,838.56 and 297,281.72

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Solution

The fourth proportional to 440,327.90, 607,838.56 and 297,281.72 is: 410,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,327.90 : 607,838.56 = 297,281.72 : x
  2. Step 2: Convert to fraction form
    440,327.90/607,838.56 = 297,281.72/x
  3. Step 3: Cross multiply
    440,327.90x = 607,838.56 × 297,281.72
  4. Step 4: Simplify right side
    440,327.90x = 180,699,292,599.12
  5. Step 5: Solve for x
    x = 180,699,292,599.12/440,327.90
  6. Step 6: Final answer
    x = 410,374.39

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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.