Home / 699,666.30-1,049,499.45-559,698.30

Finding the Fourth Proportional to 699,666.30, 1,049,499.45 and 559,698.30

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Solution

The fourth proportional to 699,666.30, 1,049,499.45 and 559,698.30 is: 839,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,666.30 : 1,049,499.45 = 559,698.30 : x
  2. Step 2: Convert to fraction form
    699,666.30/1,049,499.45 = 559,698.30/x
  3. Step 3: Cross multiply
    699,666.30x = 1,049,499.45 × 559,698.30
  4. Step 4: Simplify right side
    699,666.30x = 587,403,058,015.94
  5. Step 5: Solve for x
    x = 587,403,058,015.94/699,666.30
  6. Step 6: Final answer
    x = 839,547.45

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Half scale
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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.