Home / 353,267.80-529,124.10-313,869.40

Finding the Fourth Proportional to 353,267.80, 529,124.10 and 313,869.40

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Solution

The fourth proportional to 353,267.80, 529,124.10 and 313,869.40 is: 470,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,267.80 : 529,124.10 = 313,869.40 : x
  2. Step 2: Convert to fraction form
    353,267.80/529,124.10 = 313,869.40/x
  3. Step 3: Cross multiply
    353,267.80x = 529,124.10 × 313,869.40
  4. Step 4: Simplify right side
    353,267.80x = 166,075,863,792.54
  5. Step 5: Solve for x
    x = 166,075,863,792.54/353,267.80
  6. Step 6: Final answer
    x = 470,113.22

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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.