Home / 893,607.68-1,233,186.86-485,710.45

Finding the Fourth Proportional to 893,607.68, 1,233,186.86 and 485,710.45

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Solution

The fourth proportional to 893,607.68, 1,233,186.86 and 485,710.45 is: 670,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,607.68 : 1,233,186.86 = 485,710.45 : x
  2. Step 2: Convert to fraction form
    893,607.68/1,233,186.86 = 485,710.45/x
  3. Step 3: Cross multiply
    893,607.68x = 1,233,186.86 × 485,710.45
  4. Step 4: Simplify right side
    893,607.68x = 598,971,742,836.00
  5. Step 5: Solve for x
    x = 598,971,742,836.00/893,607.68
  6. Step 6: Final answer
    x = 670,284.91

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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.