Home / 841,809.60-1,161,678.38-459,837.90

Finding the Fourth Proportional to 841,809.60, 1,161,678.38 and 459,837.90

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Solution

The fourth proportional to 841,809.60, 1,161,678.38 and 459,837.90 is: 634,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,809.60 : 1,161,678.38 = 459,837.90 : x
  2. Step 2: Convert to fraction form
    841,809.60/1,161,678.38 = 459,837.90/x
  3. Step 3: Cross multiply
    841,809.60x = 1,161,678.38 × 459,837.90
  4. Step 4: Simplify right side
    841,809.60x = 534,183,744,435.41
  5. Step 5: Solve for x
    x = 534,183,744,435.41/841,809.60
  6. Step 6: Final answer
    x = 634,565.99

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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.