Home / 1,128,547.36-1,557,391.08-619,258.24

Finding the Fourth Proportional to 1,128,547.36, 1,557,391.08 and 619,258.24

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Solution

The fourth proportional to 1,128,547.36, 1,557,391.08 and 619,258.24 is: 854,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,547.36 : 1,557,391.08 = 619,258.24 : x
  2. Step 2: Convert to fraction form
    1,128,547.36/1,557,391.08 = 619,258.24/x
  3. Step 3: Cross multiply
    1,128,547.36x = 1,557,391.08 × 619,258.24
  4. Step 4: Simplify right side
    1,128,547.36x = 964,427,259,192.50
  5. Step 5: Solve for x
    x = 964,427,259,192.50/1,128,547.36
  6. Step 6: Final answer
    x = 854,574.02

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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.