Home / 1,019,400.92-1,406,809.40-560,550.40

Finding the Fourth Proportional to 1,019,400.92, 1,406,809.40 and 560,550.40

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Solution

The fourth proportional to 1,019,400.92, 1,406,809.40 and 560,550.40 is: 773,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,400.92 : 1,406,809.40 = 560,550.40 : x
  2. Step 2: Convert to fraction form
    1,019,400.92/1,406,809.40 = 560,550.40/x
  3. Step 3: Cross multiply
    1,019,400.92x = 1,406,809.40 × 560,550.40
  4. Step 4: Simplify right side
    1,019,400.92x = 788,587,571,893.76
  5. Step 5: Solve for x
    x = 788,587,571,893.76/1,019,400.92
  6. Step 6: Final answer
    x = 773,579.42

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.