Home / 1,666,567.76-2,299,856.27-931,521.06

Finding the Fourth Proportional to 1,666,567.76, 2,299,856.27 and 931,521.06

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Solution

The fourth proportional to 1,666,567.76, 2,299,856.27 and 931,521.06 is: 1,285,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,567.76 : 2,299,856.27 = 931,521.06 : x
  2. Step 2: Convert to fraction form
    1,666,567.76/2,299,856.27 = 931,521.06/x
  3. Step 3: Cross multiply
    1,666,567.76x = 2,299,856.27 × 931,521.06
  4. Step 4: Simplify right side
    1,666,567.76x = 2,142,364,545,820.44
  5. Step 5: Solve for x
    x = 2,142,364,545,820.44/1,666,567.76
  6. Step 6: Final answer
    x = 1,285,495.02

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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.