Home / 949,062.63-1,309,706.40-519,342.81

Finding the Fourth Proportional to 949,062.63, 1,309,706.40 and 519,342.81

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Solution

The fourth proportional to 949,062.63, 1,309,706.40 and 519,342.81 is: 716,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,062.63 : 1,309,706.40 = 519,342.81 : x
  2. Step 2: Convert to fraction form
    949,062.63/1,309,706.40 = 519,342.81/x
  3. Step 3: Cross multiply
    949,062.63x = 1,309,706.40 × 519,342.81
  4. Step 4: Simplify right side
    949,062.63x = 680,186,602,050.98
  5. Step 5: Solve for x
    x = 680,186,602,050.98/949,062.63
  6. Step 6: Final answer
    x = 716,693.06

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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.