Home / 1,110,889.94-1,666,397.07-312,109.13

Finding the Fourth Proportional to 1,110,889.94, 1,666,397.07 and 312,109.13

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Solution

The fourth proportional to 1,110,889.94, 1,666,397.07 and 312,109.13 is: 468,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,889.94 : 1,666,397.07 = 312,109.13 : x
  2. Step 2: Convert to fraction form
    1,110,889.94/1,666,397.07 = 312,109.13/x
  3. Step 3: Cross multiply
    1,110,889.94x = 1,666,397.07 × 312,109.13
  4. Step 4: Simplify right side
    1,110,889.94x = 520,097,731,420.26
  5. Step 5: Solve for x
    x = 520,097,731,420.26/1,110,889.94
  6. Step 6: Final answer
    x = 468,181.15

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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.