Home / 1,000,703.52-1,501,045.86-432,486.36

Finding the Fourth Proportional to 1,000,703.52, 1,501,045.86 and 432,486.36

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Solution

The fourth proportional to 1,000,703.52, 1,501,045.86 and 432,486.36 is: 648,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,703.52 : 1,501,045.86 = 432,486.36 : x
  2. Step 2: Convert to fraction form
    1,000,703.52/1,501,045.86 = 432,486.36/x
  3. Step 3: Cross multiply
    1,000,703.52x = 1,501,045.86 × 432,486.36
  4. Step 4: Simplify right side
    1,000,703.52x = 649,181,860,184.47
  5. Step 5: Solve for x
    x = 649,181,860,184.47/1,000,703.52
  6. Step 6: Final answer
    x = 648,725.47

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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.