Home / 1,013,783.04-1,520,434.56-339,888.96

Finding the Fourth Proportional to 1,013,783.04, 1,520,434.56 and 339,888.96

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Solution

The fourth proportional to 1,013,783.04, 1,520,434.56 and 339,888.96 is: 509,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,783.04 : 1,520,434.56 = 339,888.96 : x
  2. Step 2: Convert to fraction form
    1,013,783.04/1,520,434.56 = 339,888.96/x
  3. Step 3: Cross multiply
    1,013,783.04x = 1,520,434.56 × 339,888.96
  4. Step 4: Simplify right side
    1,013,783.04x = 516,778,921,346.46
  5. Step 5: Solve for x
    x = 516,778,921,346.46/1,013,783.04
  6. Step 6: Final answer
    x = 509,752.98

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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.