Home / 679,918.60-1,019,877.90-606,435.40

Finding the Fourth Proportional to 679,918.60, 1,019,877.90 and 606,435.40

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Solution

The fourth proportional to 679,918.60, 1,019,877.90 and 606,435.40 is: 909,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,918.60 : 1,019,877.90 = 606,435.40 : x
  2. Step 2: Convert to fraction form
    679,918.60/1,019,877.90 = 606,435.40/x
  3. Step 3: Cross multiply
    679,918.60x = 1,019,877.90 × 606,435.40
  4. Step 4: Simplify right side
    679,918.60x = 618,490,062,237.66
  5. Step 5: Solve for x
    x = 618,490,062,237.66/679,918.60
  6. Step 6: Final answer
    x = 909,653.10

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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.