Home / 1,184,101.40-1,776,168.90-385,387.16

Finding the Fourth Proportional to 1,184,101.40, 1,776,168.90 and 385,387.16

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Solution

The fourth proportional to 1,184,101.40, 1,776,168.90 and 385,387.16 is: 578,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,101.40 : 1,776,168.90 = 385,387.16 : x
  2. Step 2: Convert to fraction form
    1,184,101.40/1,776,168.90 = 385,387.16/x
  3. Step 3: Cross multiply
    1,184,101.40x = 1,776,168.90 × 385,387.16
  4. Step 4: Simplify right side
    1,184,101.40x = 684,512,688,051.32
  5. Step 5: Solve for x
    x = 684,512,688,051.32/1,184,101.40
  6. Step 6: Final answer
    x = 578,086.21

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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.