Home / 1,010,963.25-1,395,130.50-558,254.25

Finding the Fourth Proportional to 1,010,963.25, 1,395,130.50 and 558,254.25

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Solution

The fourth proportional to 1,010,963.25, 1,395,130.50 and 558,254.25 is: 770,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,963.25 : 1,395,130.50 = 558,254.25 : x
  2. Step 2: Convert to fraction form
    1,010,963.25/1,395,130.50 = 558,254.25/x
  3. Step 3: Cross multiply
    1,010,963.25x = 1,395,130.50 × 558,254.25
  4. Step 4: Simplify right side
    1,010,963.25x = 778,837,530,929.63
  5. Step 5: Solve for x
    x = 778,837,530,929.63/1,010,963.25
  6. Step 6: Final answer
    x = 770,391.54

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Double scale
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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.