Home / 1,054,725.35-1,455,521.39-571,289

Finding the Fourth Proportional to 1,054,725.35, 1,455,521.39 and 571,289

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Solution

The fourth proportional to 1,054,725.35, 1,455,521.39 and 571,289 is: 788,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,725.35 : 1,455,521.39 = 571,289 : x
  2. Step 2: Convert to fraction form
    1,054,725.35/1,455,521.39 = 571,289/x
  3. Step 3: Cross multiply
    1,054,725.35x = 1,455,521.39 × 571,289
  4. Step 4: Simplify right side
    1,054,725.35x = 831,523,359,371.71
  5. Step 5: Solve for x
    x = 831,523,359,371.71/1,054,725.35
  6. Step 6: Final answer
    x = 788,379.04

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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.