Home / 1,013,507.36-1,398,665.76-611,125.28

Finding the Fourth Proportional to 1,013,507.36, 1,398,665.76 and 611,125.28

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Solution

The fourth proportional to 1,013,507.36, 1,398,665.76 and 611,125.28 is: 843,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,507.36 : 1,398,665.76 = 611,125.28 : x
  2. Step 2: Convert to fraction form
    1,013,507.36/1,398,665.76 = 611,125.28/x
  3. Step 3: Cross multiply
    1,013,507.36x = 1,398,665.76 × 611,125.28
  4. Step 4: Simplify right side
    1,013,507.36x = 854,760,004,206.41
  5. Step 5: Solve for x
    x = 854,760,004,206.41/1,013,507.36
  6. Step 6: Final answer
    x = 843,368.32

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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.