Home / 816,577.20-1,125,623.16-530,051.76

Finding the Fourth Proportional to 816,577.20, 1,125,623.16 and 530,051.76

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Solution

The fourth proportional to 816,577.20, 1,125,623.16 and 530,051.76 is: 730,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,577.20 : 1,125,623.16 = 530,051.76 : x
  2. Step 2: Convert to fraction form
    816,577.20/1,125,623.16 = 530,051.76/x
  3. Step 3: Cross multiply
    816,577.20x = 1,125,623.16 × 530,051.76
  4. Step 4: Simplify right side
    816,577.20x = 596,638,537,054.76
  5. Step 5: Solve for x
    x = 596,638,537,054.76/816,577.20
  6. Step 6: Final answer
    x = 730,657.84

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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.