Home / 863,300.79-1,191,426.12-476,192.07

Finding the Fourth Proportional to 863,300.79, 1,191,426.12 and 476,192.07

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Solution

The fourth proportional to 863,300.79, 1,191,426.12 and 476,192.07 is: 657,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,300.79 : 1,191,426.12 = 476,192.07 : x
  2. Step 2: Convert to fraction form
    863,300.79/1,191,426.12 = 476,192.07/x
  3. Step 3: Cross multiply
    863,300.79x = 1,191,426.12 × 476,192.07
  4. Step 4: Simplify right side
    863,300.79x = 567,347,670,334.87
  5. Step 5: Solve for x
    x = 567,347,670,334.87/863,300.79
  6. Step 6: Final answer
    x = 657,184.24

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Double scale
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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.