Home / 1,111,008.94-1,666,457.58-391,386.28

Finding the Fourth Proportional to 1,111,008.94, 1,666,457.58 and 391,386.28

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Solution

The fourth proportional to 1,111,008.94, 1,666,457.58 and 391,386.28 is: 587,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,008.94 : 1,666,457.58 = 391,386.28 : x
  2. Step 2: Convert to fraction form
    1,111,008.94/1,666,457.58 = 391,386.28/x
  3. Step 3: Cross multiply
    1,111,008.94x = 1,666,457.58 × 391,386.28
  4. Step 4: Simplify right side
    1,111,008.94x = 652,228,633,014.00
  5. Step 5: Solve for x
    x = 652,228,633,014.00/1,111,008.94
  6. Step 6: Final answer
    x = 587,059.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.