Home / 826,360.48-1,140,488.74-463,804.17

Finding the Fourth Proportional to 826,360.48, 1,140,488.74 and 463,804.17

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Solution

The fourth proportional to 826,360.48, 1,140,488.74 and 463,804.17 is: 640,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,360.48 : 1,140,488.74 = 463,804.17 : x
  2. Step 2: Convert to fraction form
    826,360.48/1,140,488.74 = 463,804.17/x
  3. Step 3: Cross multiply
    826,360.48x = 1,140,488.74 × 463,804.17
  4. Step 4: Simplify right side
    826,360.48x = 528,963,433,450.05
  5. Step 5: Solve for x
    x = 528,963,433,450.05/826,360.48
  6. Step 6: Final answer
    x = 640,112.21

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1.5x scale

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.