Home / 1,029,853.31-1,421,281.32-571,111.61

Finding the Fourth Proportional to 1,029,853.31, 1,421,281.32 and 571,111.61

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Solution

The fourth proportional to 1,029,853.31, 1,421,281.32 and 571,111.61 is: 788,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,853.31 : 1,421,281.32 = 571,111.61 : x
  2. Step 2: Convert to fraction form
    1,029,853.31/1,421,281.32 = 571,111.61/x
  3. Step 3: Cross multiply
    1,029,853.31x = 1,421,281.32 × 571,111.61
  4. Step 4: Simplify right side
    1,029,853.31x = 811,710,255,821.72
  5. Step 5: Solve for x
    x = 811,710,255,821.72/1,029,853.31
  6. Step 6: Final answer
    x = 788,180.46

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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.