Home / 609,066.04-840,317.91-354,368.02

Finding the Fourth Proportional to 609,066.04, 840,317.91 and 354,368.02

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Solution

The fourth proportional to 609,066.04, 840,317.91 and 354,368.02 is: 488,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,066.04 : 840,317.91 = 354,368.02 : x
  2. Step 2: Convert to fraction form
    609,066.04/840,317.91 = 354,368.02/x
  3. Step 3: Cross multiply
    609,066.04x = 840,317.91 × 354,368.02
  4. Step 4: Simplify right side
    609,066.04x = 297,781,793,937.24
  5. Step 5: Solve for x
    x = 297,781,793,937.24/609,066.04
  6. Step 6: Final answer
    x = 488,915.44

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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.