Home / 668,899.80-1,003,349.70-595,416.60

Finding the Fourth Proportional to 668,899.80, 1,003,349.70 and 595,416.60

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Solution

The fourth proportional to 668,899.80, 1,003,349.70 and 595,416.60 is: 893,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,899.80 : 1,003,349.70 = 595,416.60 : x
  2. Step 2: Convert to fraction form
    668,899.80/1,003,349.70 = 595,416.60/x
  3. Step 3: Cross multiply
    668,899.80x = 1,003,349.70 × 595,416.60
  4. Step 4: Simplify right side
    668,899.80x = 597,411,066,985.02
  5. Step 5: Solve for x
    x = 597,411,066,985.02/668,899.80
  6. Step 6: Final answer
    x = 893,124.90

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Double scale
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Similar ratio
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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.