Home / 886,298.81-1,329,783.26-346,940.55

Finding the Fourth Proportional to 886,298.81, 1,329,783.26 and 346,940.55

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Solution

The fourth proportional to 886,298.81, 1,329,783.26 and 346,940.55 is: 520,541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,298.81 : 1,329,783.26 = 346,940.55 : x
  2. Step 2: Convert to fraction form
    886,298.81/1,329,783.26 = 346,940.55/x
  3. Step 3: Cross multiply
    886,298.81x = 1,329,783.26 × 346,940.55
  4. Step 4: Simplify right side
    886,298.81x = 461,355,739,054.04
  5. Step 5: Solve for x
    x = 461,355,739,054.04/886,298.81
  6. Step 6: Final answer
    x = 520,541.98

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1.5x scale

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.