Home / 404,621.10-606,931.65-255,030.30

Finding the Fourth Proportional to 404,621.10, 606,931.65 and 255,030.30

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Solution

The fourth proportional to 404,621.10, 606,931.65 and 255,030.30 is: 382,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,621.10 : 606,931.65 = 255,030.30 : x
  2. Step 2: Convert to fraction form
    404,621.10/606,931.65 = 255,030.30/x
  3. Step 3: Cross multiply
    404,621.10x = 606,931.65 × 255,030.30
  4. Step 4: Simplify right side
    404,621.10x = 154,785,960,779.00
  5. Step 5: Solve for x
    x = 154,785,960,779.00/404,621.10
  6. Step 6: Final answer
    x = 382,545.45

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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.