Home / 1,128,296.10-1,557,088.97-619,013.22

Finding the Fourth Proportional to 1,128,296.10, 1,557,088.97 and 619,013.22

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Solution

The fourth proportional to 1,128,296.10, 1,557,088.97 and 619,013.22 is: 854,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,296.10 : 1,557,088.97 = 619,013.22 : x
  2. Step 2: Convert to fraction form
    1,128,296.10/1,557,088.97 = 619,013.22/x
  3. Step 3: Cross multiply
    1,128,296.10x = 1,557,088.97 × 619,013.22
  4. Step 4: Simplify right side
    1,128,296.10x = 963,858,657,146.18
  5. Step 5: Solve for x
    x = 963,858,657,146.18/1,128,296.10
  6. Step 6: Final answer
    x = 854,260.38

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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.