Home / 507,941.12-700,435.67-354,923.55

Finding the Fourth Proportional to 507,941.12, 700,435.67 and 354,923.55

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Solution

The fourth proportional to 507,941.12, 700,435.67 and 354,923.55 is: 489,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,941.12 : 700,435.67 = 354,923.55 : x
  2. Step 2: Convert to fraction form
    507,941.12/700,435.67 = 354,923.55/x
  3. Step 3: Cross multiply
    507,941.12x = 700,435.67 × 354,923.55
  4. Step 4: Simplify right side
    507,941.12x = 248,601,112,768.41
  5. Step 5: Solve for x
    x = 248,601,112,768.41/507,941.12
  6. Step 6: Final answer
    x = 489,429.00

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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.