Home / 688,548.60-1,032,822.90-555,688.35

Finding the Fourth Proportional to 688,548.60, 1,032,822.90 and 555,688.35

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Solution

The fourth proportional to 688,548.60, 1,032,822.90 and 555,688.35 is: 833,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,548.60 : 1,032,822.90 = 555,688.35 : x
  2. Step 2: Convert to fraction form
    688,548.60/1,032,822.90 = 555,688.35/x
  3. Step 3: Cross multiply
    688,548.60x = 1,032,822.90 × 555,688.35
  4. Step 4: Simplify right side
    688,548.60x = 573,927,653,143.22
  5. Step 5: Solve for x
    x = 573,927,653,143.22/688,548.60
  6. Step 6: Final answer
    x = 833,532.53

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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.