Home / 786,073.51-1,084,648.89-441,864.01

Finding the Fourth Proportional to 786,073.51, 1,084,648.89 and 441,864.01

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Solution

The fourth proportional to 786,073.51, 1,084,648.89 and 441,864.01 is: 609,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,073.51 : 1,084,648.89 = 441,864.01 : x
  2. Step 2: Convert to fraction form
    786,073.51/1,084,648.89 = 441,864.01/x
  3. Step 3: Cross multiply
    786,073.51x = 1,084,648.89 × 441,864.01
  4. Step 4: Simplify right side
    786,073.51x = 479,267,307,977.45
  5. Step 5: Solve for x
    x = 479,267,307,977.45/786,073.51
  6. Step 6: Final answer
    x = 609,697.82

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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.