Home / 942,199.16-1,300,116.83-636,939.72

Finding the Fourth Proportional to 942,199.16, 1,300,116.83 and 636,939.72

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Solution

The fourth proportional to 942,199.16, 1,300,116.83 and 636,939.72 is: 878,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,199.16 : 1,300,116.83 = 636,939.72 : x
  2. Step 2: Convert to fraction form
    942,199.16/1,300,116.83 = 636,939.72/x
  3. Step 3: Cross multiply
    942,199.16x = 1,300,116.83 × 636,939.72
  4. Step 4: Simplify right side
    942,199.16x = 828,096,046,482.79
  5. Step 5: Solve for x
    x = 828,096,046,482.79/942,199.16
  6. Step 6: Final answer
    x = 878,897.04

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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.