Home / 1,136,000.70-1,703,353.05-426,051.90

Finding the Fourth Proportional to 1,136,000.70, 1,703,353.05 and 426,051.90

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Solution

The fourth proportional to 1,136,000.70, 1,703,353.05 and 426,051.90 is: 638,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,000.70 : 1,703,353.05 = 426,051.90 : x
  2. Step 2: Convert to fraction form
    1,136,000.70/1,703,353.05 = 426,051.90/x
  3. Step 3: Cross multiply
    1,136,000.70x = 1,703,353.05 × 426,051.90
  4. Step 4: Simplify right side
    1,136,000.70x = 725,716,803,323.30
  5. Step 5: Solve for x
    x = 725,716,803,323.30/1,136,000.70
  6. Step 6: Final answer
    x = 638,834.82

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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.