Home / 1,435,543.25-1,981,094.55-823,807.91

Finding the Fourth Proportional to 1,435,543.25, 1,981,094.55 and 823,807.91

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Solution

The fourth proportional to 1,435,543.25, 1,981,094.55 and 823,807.91 is: 1,136,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,543.25 : 1,981,094.55 = 823,807.91 : x
  2. Step 2: Convert to fraction form
    1,435,543.25/1,981,094.55 = 823,807.91/x
  3. Step 3: Cross multiply
    1,435,543.25x = 1,981,094.55 × 823,807.91
  4. Step 4: Simplify right side
    1,435,543.25x = 1,632,041,350,842.42
  5. Step 5: Solve for x
    x = 1,632,041,350,842.42/1,435,543.25
  6. Step 6: Final answer
    x = 1,136,880.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.