Home / 1,014,805.40-1,400,433.03-555,909.89

Finding the Fourth Proportional to 1,014,805.40, 1,400,433.03 and 555,909.89

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Solution

The fourth proportional to 1,014,805.40, 1,400,433.03 and 555,909.89 is: 767,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,805.40 : 1,400,433.03 = 555,909.89 : x
  2. Step 2: Convert to fraction form
    1,014,805.40/1,400,433.03 = 555,909.89/x
  3. Step 3: Cross multiply
    1,014,805.40x = 1,400,433.03 × 555,909.89
  4. Step 4: Simplify right side
    1,014,805.40x = 778,514,564,657.50
  5. Step 5: Solve for x
    x = 778,514,564,657.50/1,014,805.40
  6. Step 6: Final answer
    x = 767,156.51

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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.