Home / 1,243,621.80-1,864,511.10-533,068.20

Finding the Fourth Proportional to 1,243,621.80, 1,864,511.10 and 533,068.20

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Solution

The fourth proportional to 1,243,621.80, 1,864,511.10 and 533,068.20 is: 799,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,621.80 : 1,864,511.10 = 533,068.20 : x
  2. Step 2: Convert to fraction form
    1,243,621.80/1,864,511.10 = 533,068.20/x
  3. Step 3: Cross multiply
    1,243,621.80x = 1,864,511.10 × 533,068.20
  4. Step 4: Simplify right side
    1,243,621.80x = 993,911,575,957.02
  5. Step 5: Solve for x
    x = 993,911,575,957.02/1,243,621.80
  6. Step 6: Final answer
    x = 799,207.26

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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.