Home / 1,015,012.83-1,400,717.01-556,157.16

Finding the Fourth Proportional to 1,015,012.83, 1,400,717.01 and 556,157.16

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Solution

The fourth proportional to 1,015,012.83, 1,400,717.01 and 556,157.16 is: 767,496.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,012.83 : 1,400,717.01 = 556,157.16 : x
  2. Step 2: Convert to fraction form
    1,015,012.83/1,400,717.01 = 556,157.16/x
  3. Step 3: Cross multiply
    1,015,012.83x = 1,400,717.01 × 556,157.16
  4. Step 4: Simplify right side
    1,015,012.83x = 779,018,794,245.29
  5. Step 5: Solve for x
    x = 779,018,794,245.29/1,015,012.83
  6. Step 6: Final answer
    x = 767,496.50

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Double scale
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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.