Home / 1,071,623.18-1,607,714.87-621,911.74

Finding the Fourth Proportional to 1,071,623.18, 1,607,714.87 and 621,911.74

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Solution

The fourth proportional to 1,071,623.18, 1,607,714.87 and 621,911.74 is: 933,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,623.18 : 1,607,714.87 = 621,911.74 : x
  2. Step 2: Convert to fraction form
    1,071,623.18/1,607,714.87 = 621,911.74/x
  3. Step 3: Cross multiply
    1,071,623.18x = 1,607,714.87 × 621,911.74
  4. Step 4: Simplify right side
    1,071,623.18x = 999,856,741,077.44
  5. Step 5: Solve for x
    x = 999,856,741,077.44/1,071,623.18
  6. Step 6: Final answer
    x = 933,030.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.