Home / 1,785,307.80-2,678,220.90-587,285.40

Finding the Fourth Proportional to 1,785,307.80, 2,678,220.90 and 587,285.40

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Solution

The fourth proportional to 1,785,307.80, 2,678,220.90 and 587,285.40 is: 881,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,307.80 : 2,678,220.90 = 587,285.40 : x
  2. Step 2: Convert to fraction form
    1,785,307.80/2,678,220.90 = 587,285.40/x
  3. Step 3: Cross multiply
    1,785,307.80x = 2,678,220.90 × 587,285.40
  4. Step 4: Simplify right side
    1,785,307.80x = 1,572,880,032,544.86
  5. Step 5: Solve for x
    x = 1,572,880,032,544.86/1,785,307.80
  6. Step 6: Final answer
    x = 881,013.37

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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.