Home / 346,683.03-520,013.60-205,495.77

Finding the Fourth Proportional to 346,683.03, 520,013.60 and 205,495.77

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Solution

The fourth proportional to 346,683.03, 520,013.60 and 205,495.77 is: 308,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,683.03 : 520,013.60 = 205,495.77 : x
  2. Step 2: Convert to fraction form
    346,683.03/520,013.60 = 205,495.77/x
  3. Step 3: Cross multiply
    346,683.03x = 520,013.60 × 205,495.77
  4. Step 4: Simplify right side
    346,683.03x = 106,860,595,142.47
  5. Step 5: Solve for x
    x = 106,860,595,142.47/346,683.03
  6. Step 6: Final answer
    x = 308,237.17

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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.