Home / 1,289,541.60-1,934,312.40-891,410.40

Finding the Fourth Proportional to 1,289,541.60, 1,934,312.40 and 891,410.40

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Solution

The fourth proportional to 1,289,541.60, 1,934,312.40 and 891,410.40 is: 1,337,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,541.60 : 1,934,312.40 = 891,410.40 : x
  2. Step 2: Convert to fraction form
    1,289,541.60/1,934,312.40 = 891,410.40/x
  3. Step 3: Cross multiply
    1,289,541.60x = 1,934,312.40 × 891,410.40
  4. Step 4: Simplify right side
    1,289,541.60x = 1,724,266,190,208.96
  5. Step 5: Solve for x
    x = 1,724,266,190,208.96/1,289,541.60
  6. Step 6: Final answer
    x = 1,337,115.60

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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.