Home / 470,870.64-649,828.04-256,006.08

Finding the Fourth Proportional to 470,870.64, 649,828.04 and 256,006.08

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Solution

The fourth proportional to 470,870.64, 649,828.04 and 256,006.08 is: 353,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,870.64 : 649,828.04 = 256,006.08 : x
  2. Step 2: Convert to fraction form
    470,870.64/649,828.04 = 256,006.08/x
  3. Step 3: Cross multiply
    470,870.64x = 649,828.04 × 256,006.08
  4. Step 4: Simplify right side
    470,870.64x = 166,359,927,914.45
  5. Step 5: Solve for x
    x = 166,359,927,914.45/470,870.64
  6. Step 6: Final answer
    x = 353,302.83

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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.