Home / 1,091,424.24-1,637,136.45-417,712.19

Finding the Fourth Proportional to 1,091,424.24, 1,637,136.45 and 417,712.19

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Solution

The fourth proportional to 1,091,424.24, 1,637,136.45 and 417,712.19 is: 626,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,424.24 : 1,637,136.45 = 417,712.19 : x
  2. Step 2: Convert to fraction form
    1,091,424.24/1,637,136.45 = 417,712.19/x
  3. Step 3: Cross multiply
    1,091,424.24x = 1,637,136.45 × 417,712.19
  4. Step 4: Simplify right side
    1,091,424.24x = 683,851,843,672.64
  5. Step 5: Solve for x
    x = 683,851,843,672.64/1,091,424.24
  6. Step 6: Final answer
    x = 626,568.31

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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.