Home / 1,223,570.10-1,688,574.62-837,195.91

Finding the Fourth Proportional to 1,223,570.10, 1,688,574.62 and 837,195.91

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Solution

The fourth proportional to 1,223,570.10, 1,688,574.62 and 837,195.91 is: 1,155,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,570.10 : 1,688,574.62 = 837,195.91 : x
  2. Step 2: Convert to fraction form
    1,223,570.10/1,688,574.62 = 837,195.91/x
  3. Step 3: Cross multiply
    1,223,570.10x = 1,688,574.62 × 837,195.91
  4. Step 4: Simplify right side
    1,223,570.10x = 1,413,667,763,465.36
  5. Step 5: Solve for x
    x = 1,413,667,763,465.36/1,223,570.10
  6. Step 6: Final answer
    x = 1,155,363.12

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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.