Home / 841,841.60-1,161,766.40-459,874.72

Finding the Fourth Proportional to 841,841.60, 1,161,766.40 and 459,874.72

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Solution

The fourth proportional to 841,841.60, 1,161,766.40 and 459,874.72 is: 634,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,841.60 : 1,161,766.40 = 459,874.72 : x
  2. Step 2: Convert to fraction form
    841,841.60/1,161,766.40 = 459,874.72/x
  3. Step 3: Cross multiply
    841,841.60x = 1,161,766.40 × 459,874.72
  4. Step 4: Simplify right side
    841,841.60x = 534,266,997,905.41
  5. Step 5: Solve for x
    x = 534,266,997,905.41/841,841.60
  6. Step 6: Final answer
    x = 634,640.77

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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.