Home / 880,417.04-1,214,975.44-478,009.04

Finding the Fourth Proportional to 880,417.04, 1,214,975.44 and 478,009.04

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Solution

The fourth proportional to 880,417.04, 1,214,975.44 and 478,009.04 is: 659,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,417.04 : 1,214,975.44 = 478,009.04 : x
  2. Step 2: Convert to fraction form
    880,417.04/1,214,975.44 = 478,009.04/x
  3. Step 3: Cross multiply
    880,417.04x = 1,214,975.44 × 478,009.04
  4. Step 4: Simplify right side
    880,417.04x = 580,769,243,697.98
  5. Step 5: Solve for x
    x = 580,769,243,697.98/880,417.04
  6. Step 6: Final answer
    x = 659,652.43

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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.