Home / 1,296,353.40-1,946,279.70-1,030,414.20

Finding the Fourth Proportional to 1,296,353.40, 1,946,279.70 and 1,030,414.20

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Solution

The fourth proportional to 1,296,353.40, 1,946,279.70 and 1,030,414.20 is: 1,547,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,353.40 : 1,946,279.70 = 1,030,414.20 : x
  2. Step 2: Convert to fraction form
    1,296,353.40/1,946,279.70 = 1,030,414.20/x
  3. Step 3: Cross multiply
    1,296,353.40x = 1,946,279.70 × 1,030,414.20
  4. Step 4: Simplify right side
    1,296,353.40x = 2,005,474,240,051.74
  5. Step 5: Solve for x
    x = 2,005,474,240,051.74/1,296,353.40
  6. Step 6: Final answer
    x = 1,547,011.98

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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.