Home / 1,811,018.40-2,715,543.45-612,323.70

Finding the Fourth Proportional to 1,811,018.40, 2,715,543.45 and 612,323.70

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Solution

The fourth proportional to 1,811,018.40, 2,715,543.45 and 612,323.70 is: 918,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,018.40 : 2,715,543.45 = 612,323.70 : x
  2. Step 2: Convert to fraction form
    1,811,018.40/2,715,543.45 = 612,323.70/x
  3. Step 3: Cross multiply
    1,811,018.40x = 2,715,543.45 × 612,323.70
  4. Step 4: Simplify right side
    1,811,018.40x = 1,662,791,612,814.77
  5. Step 5: Solve for x
    x = 1,662,791,612,814.77/1,811,018.40
  6. Step 6: Final answer
    x = 918,152.80

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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.