Home / 637,929.03-879,130.76-456,325.56

Finding the Fourth Proportional to 637,929.03, 879,130.76 and 456,325.56

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Solution

The fourth proportional to 637,929.03, 879,130.76 and 456,325.56 is: 628,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,929.03 : 879,130.76 = 456,325.56 : x
  2. Step 2: Convert to fraction form
    637,929.03/879,130.76 = 456,325.56/x
  3. Step 3: Cross multiply
    637,929.03x = 879,130.76 × 456,325.56
  4. Step 4: Simplify right side
    637,929.03x = 401,169,834,088.60
  5. Step 5: Solve for x
    x = 401,169,834,088.60/637,929.03
  6. Step 6: Final answer
    x = 628,862.80

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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.