Home / 875,927.20-1,312,983.60-475,722.40

Finding the Fourth Proportional to 875,927.20, 1,312,983.60 and 475,722.40

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Solution

The fourth proportional to 875,927.20, 1,312,983.60 and 475,722.40 is: 713,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,927.20 : 1,312,983.60 = 475,722.40 : x
  2. Step 2: Convert to fraction form
    875,927.20/1,312,983.60 = 475,722.40/x
  3. Step 3: Cross multiply
    875,927.20x = 1,312,983.60 × 475,722.40
  4. Step 4: Simplify right side
    875,927.20x = 624,615,709,352.64
  5. Step 5: Solve for x
    x = 624,615,709,352.64/875,927.20
  6. Step 6: Final answer
    x = 713,090.89

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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.