Home / 637,932.03-879,134.90-456,328.56

Finding the Fourth Proportional to 637,932.03, 879,134.90 and 456,328.56

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Solution

The fourth proportional to 637,932.03, 879,134.90 and 456,328.56 is: 628,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,932.03 : 879,134.90 = 456,328.56 : x
  2. Step 2: Convert to fraction form
    637,932.03/879,134.90 = 456,328.56/x
  3. Step 3: Cross multiply
    637,932.03x = 879,134.90 × 456,328.56
  4. Step 4: Simplify right side
    637,932.03x = 401,174,360,681.10
  5. Step 5: Solve for x
    x = 401,174,360,681.10/637,932.03
  6. Step 6: Final answer
    x = 628,866.94

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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.