Home / 1,297,508.32-1,946,678.93-623,638.49

Finding the Fourth Proportional to 1,297,508.32, 1,946,678.93 and 623,638.49

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Solution

The fourth proportional to 1,297,508.32, 1,946,678.93 and 623,638.49 is: 935,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,508.32 : 1,946,678.93 = 623,638.49 : x
  2. Step 2: Convert to fraction form
    1,297,508.32/1,946,678.93 = 623,638.49/x
  3. Step 3: Cross multiply
    1,297,508.32x = 1,946,678.93 × 623,638.49
  4. Step 4: Simplify right side
    1,297,508.32x = 1,214,023,911,337.84
  5. Step 5: Solve for x
    x = 1,214,023,911,337.84/1,297,508.32
  6. Step 6: Final answer
    x = 935,657.90

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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.