Home / 1,129,702.51-1,558,989.48-620,404.93

Finding the Fourth Proportional to 1,129,702.51, 1,558,989.48 and 620,404.93

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Solution

The fourth proportional to 1,129,702.51, 1,558,989.48 and 620,404.93 is: 856,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,702.51 : 1,558,989.48 = 620,404.93 : x
  2. Step 2: Convert to fraction form
    1,129,702.51/1,558,989.48 = 620,404.93/x
  3. Step 3: Cross multiply
    1,129,702.51x = 1,558,989.48 × 620,404.93
  4. Step 4: Simplify right side
    1,129,702.51x = 967,204,759,210.14
  5. Step 5: Solve for x
    x = 967,204,759,210.14/1,129,702.51
  6. Step 6: Final answer
    x = 856,158.81

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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.