Home / 788,941.80-1,183,412.70-548,404.20

Finding the Fourth Proportional to 788,941.80, 1,183,412.70 and 548,404.20

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Solution

The fourth proportional to 788,941.80, 1,183,412.70 and 548,404.20 is: 822,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,941.80 : 1,183,412.70 = 548,404.20 : x
  2. Step 2: Convert to fraction form
    788,941.80/1,183,412.70 = 548,404.20/x
  3. Step 3: Cross multiply
    788,941.80x = 1,183,412.70 × 548,404.20
  4. Step 4: Simplify right side
    788,941.80x = 648,988,495,013.34
  5. Step 5: Solve for x
    x = 648,988,495,013.34/788,941.80
  6. Step 6: Final answer
    x = 822,606.30

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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.