Home / 877,512.60-1,316,268.90-777,785.40

Finding the Fourth Proportional to 877,512.60, 1,316,268.90 and 777,785.40

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Solution

The fourth proportional to 877,512.60, 1,316,268.90 and 777,785.40 is: 1,166,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,512.60 : 1,316,268.90 = 777,785.40 : x
  2. Step 2: Convert to fraction form
    877,512.60/1,316,268.90 = 777,785.40/x
  3. Step 3: Cross multiply
    877,512.60x = 1,316,268.90 × 777,785.40
  4. Step 4: Simplify right side
    877,512.60x = 1,023,774,732,894.06
  5. Step 5: Solve for x
    x = 1,023,774,732,894.06/877,512.60
  6. Step 6: Final answer
    x = 1,166,678.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.