Home / 739,985.04-1,021,225.32-417,577.50

Finding the Fourth Proportional to 739,985.04, 1,021,225.32 and 417,577.50

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Solution

The fourth proportional to 739,985.04, 1,021,225.32 and 417,577.50 is: 576,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,985.04 : 1,021,225.32 = 417,577.50 : x
  2. Step 2: Convert to fraction form
    739,985.04/1,021,225.32 = 417,577.50/x
  3. Step 3: Cross multiply
    739,985.04x = 1,021,225.32 × 417,577.50
  4. Step 4: Simplify right side
    739,985.04x = 426,440,716,062.30
  5. Step 5: Solve for x
    x = 426,440,716,062.30/739,985.04
  6. Step 6: Final answer
    x = 576,282.89

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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.