Home / 1,333,812.60-2,000,718.90-927,905.40

Finding the Fourth Proportional to 1,333,812.60, 2,000,718.90 and 927,905.40

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Solution

The fourth proportional to 1,333,812.60, 2,000,718.90 and 927,905.40 is: 1,391,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,812.60 : 2,000,718.90 = 927,905.40 : x
  2. Step 2: Convert to fraction form
    1,333,812.60/2,000,718.90 = 927,905.40/x
  3. Step 3: Cross multiply
    1,333,812.60x = 2,000,718.90 × 927,905.40
  4. Step 4: Simplify right side
    1,333,812.60x = 1,856,477,871,192.06
  5. Step 5: Solve for x
    x = 1,856,477,871,192.06/1,333,812.60
  6. Step 6: Final answer
    x = 1,391,858.10

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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.