Home / 785,837.98-1,084,586.43-463,626.86

Finding the Fourth Proportional to 785,837.98, 1,084,586.43 and 463,626.86

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Solution

The fourth proportional to 785,837.98, 1,084,586.43 and 463,626.86 is: 639,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,837.98 : 1,084,586.43 = 463,626.86 : x
  2. Step 2: Convert to fraction form
    785,837.98/1,084,586.43 = 463,626.86/x
  3. Step 3: Cross multiply
    785,837.98x = 1,084,586.43 × 463,626.86
  4. Step 4: Simplify right side
    785,837.98x = 502,843,400,939.51
  5. Step 5: Solve for x
    x = 502,843,400,939.51/785,837.98
  6. Step 6: Final answer
    x = 639,881.77

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1.5x scale

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.