Home / 848,131.76-1,170,430.86-460,947.21

Finding the Fourth Proportional to 848,131.76, 1,170,430.86 and 460,947.21

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Solution

The fourth proportional to 848,131.76, 1,170,430.86 and 460,947.21 is: 636,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,131.76 : 1,170,430.86 = 460,947.21 : x
  2. Step 2: Convert to fraction form
    848,131.76/1,170,430.86 = 460,947.21/x
  3. Step 3: Cross multiply
    848,131.76x = 1,170,430.86 × 460,947.21
  4. Step 4: Simplify right side
    848,131.76x = 539,506,836,754.34
  5. Step 5: Solve for x
    x = 539,506,836,754.34/848,131.76
  6. Step 6: Final answer
    x = 636,112.05

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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.