Home / 1,140,845.47-1,574,385.32-624,590.65

Finding the Fourth Proportional to 1,140,845.47, 1,574,385.32 and 624,590.65

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Solution

The fourth proportional to 1,140,845.47, 1,574,385.32 and 624,590.65 is: 861,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,845.47 : 1,574,385.32 = 624,590.65 : x
  2. Step 2: Convert to fraction form
    1,140,845.47/1,574,385.32 = 624,590.65/x
  3. Step 3: Cross multiply
    1,140,845.47x = 1,574,385.32 × 624,590.65
  4. Step 4: Simplify right side
    1,140,845.47x = 983,346,350,369.26
  5. Step 5: Solve for x
    x = 983,346,350,369.26/1,140,845.47
  6. Step 6: Final answer
    x = 861,945.26

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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.