Home / 589,916.40-885,004.20-190,489.20

Finding the Fourth Proportional to 589,916.40, 885,004.20 and 190,489.20

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Solution

The fourth proportional to 589,916.40, 885,004.20 and 190,489.20 is: 285,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,916.40 : 885,004.20 = 190,489.20 : x
  2. Step 2: Convert to fraction form
    589,916.40/885,004.20 = 190,489.20/x
  3. Step 3: Cross multiply
    589,916.40x = 885,004.20 × 190,489.20
  4. Step 4: Simplify right side
    589,916.40x = 168,583,742,054.64
  5. Step 5: Solve for x
    x = 168,583,742,054.64/589,916.40
  6. Step 6: Final answer
    x = 285,775.65

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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.