Home / 1,575,356.25-2,173,991.63-859,964.25

Finding the Fourth Proportional to 1,575,356.25, 2,173,991.63 and 859,964.25

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Solution

The fourth proportional to 1,575,356.25, 2,173,991.63 and 859,964.25 is: 1,186,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,356.25 : 2,173,991.63 = 859,964.25 : x
  2. Step 2: Convert to fraction form
    1,575,356.25/2,173,991.63 = 859,964.25/x
  3. Step 3: Cross multiply
    1,575,356.25x = 2,173,991.63 × 859,964.25
  4. Step 4: Simplify right side
    1,575,356.25x = 1,869,555,077,299.41
  5. Step 5: Solve for x
    x = 1,869,555,077,299.41/1,575,356.25
  6. Step 6: Final answer
    x = 1,186,750.67

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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.