Home / 891,875.36-1,230,781.64-483,966.84

Finding the Fourth Proportional to 891,875.36, 1,230,781.64 and 483,966.84

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Solution

The fourth proportional to 891,875.36, 1,230,781.64 and 483,966.84 is: 667,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,875.36 : 1,230,781.64 = 483,966.84 : x
  2. Step 2: Convert to fraction form
    891,875.36/1,230,781.64 = 483,966.84/x
  3. Step 3: Cross multiply
    891,875.36x = 1,230,781.64 × 483,966.84
  4. Step 4: Simplify right side
    891,875.36x = 595,657,501,040.82
  5. Step 5: Solve for x
    x = 595,657,501,040.82/891,875.36
  6. Step 6: Final answer
    x = 667,870.79

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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.