Home / 697,068.36-1,040,880.87-553,300.65

Finding the Fourth Proportional to 697,068.36, 1,040,880.87 and 553,300.65

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Solution

The fourth proportional to 697,068.36, 1,040,880.87 and 553,300.65 is: 826,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,068.36 : 1,040,880.87 = 553,300.65 : x
  2. Step 2: Convert to fraction form
    697,068.36/1,040,880.87 = 553,300.65/x
  3. Step 3: Cross multiply
    697,068.36x = 1,040,880.87 × 553,300.65
  4. Step 4: Simplify right side
    697,068.36x = 575,920,061,943.57
  5. Step 5: Solve for x
    x = 575,920,061,943.57/697,068.36
  6. Step 6: Final answer
    x = 826,203.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.