Home / 1,075,685.13-1,613,151.63-317,325.24

Finding the Fourth Proportional to 1,075,685.13, 1,613,151.63 and 317,325.24

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Solution

The fourth proportional to 1,075,685.13, 1,613,151.63 and 317,325.24 is: 475,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,685.13 : 1,613,151.63 = 317,325.24 : x
  2. Step 2: Convert to fraction form
    1,075,685.13/1,613,151.63 = 317,325.24/x
  3. Step 3: Cross multiply
    1,075,685.13x = 1,613,151.63 × 317,325.24
  4. Step 4: Simplify right side
    1,075,685.13x = 511,893,728,146.14
  5. Step 5: Solve for x
    x = 511,893,728,146.14/1,075,685.13
  6. Step 6: Final answer
    x = 475,876.92

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Double scale
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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.