Home / 873,423.58-1,205,379.48-529,289.64

Finding the Fourth Proportional to 873,423.58, 1,205,379.48 and 529,289.64

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Solution

The fourth proportional to 873,423.58, 1,205,379.48 and 529,289.64 is: 730,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,423.58 : 1,205,379.48 = 529,289.64 : x
  2. Step 2: Convert to fraction form
    873,423.58/1,205,379.48 = 529,289.64/x
  3. Step 3: Cross multiply
    873,423.58x = 1,205,379.48 × 529,289.64
  4. Step 4: Simplify right side
    873,423.58x = 637,994,871,032.59
  5. Step 5: Solve for x
    x = 637,994,871,032.59/873,423.58
  6. Step 6: Final answer
    x = 730,453.00

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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.