Home / 476,849.08-715,457.04-210,421.36

Finding the Fourth Proportional to 476,849.08, 715,457.04 and 210,421.36

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Solution

The fourth proportional to 476,849.08, 715,457.04 and 210,421.36 is: 315,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,849.08 : 715,457.04 = 210,421.36 : x
  2. Step 2: Convert to fraction form
    476,849.08/715,457.04 = 210,421.36/x
  3. Step 3: Cross multiply
    476,849.08x = 715,457.04 × 210,421.36
  4. Step 4: Simplify right side
    476,849.08x = 150,547,443,378.37
  5. Step 5: Solve for x
    x = 150,547,443,378.37/476,849.08
  6. Step 6: Final answer
    x = 315,712.98

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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.