Home / 785,656.70-1,084,125.47-441,437.94

Finding the Fourth Proportional to 785,656.70, 1,084,125.47 and 441,437.94

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Solution

The fourth proportional to 785,656.70, 1,084,125.47 and 441,437.94 is: 609,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,656.70 : 1,084,125.47 = 441,437.94 : x
  2. Step 2: Convert to fraction form
    785,656.70/1,084,125.47 = 441,437.94/x
  3. Step 3: Cross multiply
    785,656.70x = 1,084,125.47 × 441,437.94
  4. Step 4: Simplify right side
    785,656.70x = 478,574,111,971.14
  5. Step 5: Solve for x
    x = 478,574,111,971.14/785,656.70
  6. Step 6: Final answer
    x = 609,138.97

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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.