Home / 637,618.99-879,946.78-361,996.16

Finding the Fourth Proportional to 637,618.99, 879,946.78 and 361,996.16

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Solution

The fourth proportional to 637,618.99, 879,946.78 and 361,996.16 is: 499,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,618.99 : 879,946.78 = 361,996.16 : x
  2. Step 2: Convert to fraction form
    637,618.99/879,946.78 = 361,996.16/x
  3. Step 3: Cross multiply
    637,618.99x = 879,946.78 × 361,996.16
  4. Step 4: Simplify right side
    637,618.99x = 318,537,355,364.37
  5. Step 5: Solve for x
    x = 318,537,355,364.37/637,618.99
  6. Step 6: Final answer
    x = 499,573.19

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1.5x scale

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.