Home / 762,153.72-1,051,696.35-439,967.63

Finding the Fourth Proportional to 762,153.72, 1,051,696.35 and 439,967.63

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Solution

The fourth proportional to 762,153.72, 1,051,696.35 and 439,967.63 is: 607,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,153.72 : 1,051,696.35 = 439,967.63 : x
  2. Step 2: Convert to fraction form
    762,153.72/1,051,696.35 = 439,967.63/x
  3. Step 3: Cross multiply
    762,153.72x = 1,051,696.35 × 439,967.63
  4. Step 4: Simplify right side
    762,153.72x = 462,712,345,330.67
  5. Step 5: Solve for x
    x = 462,712,345,330.67/762,153.72
  6. Step 6: Final answer
    x = 607,111.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.