Home / 938,590.34-1,296,323.61-636,259.46

Finding the Fourth Proportional to 938,590.34, 1,296,323.61 and 636,259.46

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Solution

The fourth proportional to 938,590.34, 1,296,323.61 and 636,259.46 is: 878,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,590.34 : 1,296,323.61 = 636,259.46 : x
  2. Step 2: Convert to fraction form
    938,590.34/1,296,323.61 = 636,259.46/x
  3. Step 3: Cross multiply
    938,590.34x = 1,296,323.61 × 636,259.46
  4. Step 4: Simplify right side
    938,590.34x = 824,798,160,083.85
  5. Step 5: Solve for x
    x = 824,798,160,083.85/938,590.34
  6. Step 6: Final answer
    x = 878,762.68

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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.