Home / 942,730.63-1,300,995.66-513,038.47

Finding the Fourth Proportional to 942,730.63, 1,300,995.66 and 513,038.47

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Solution

The fourth proportional to 942,730.63, 1,300,995.66 and 513,038.47 is: 708,007.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,730.63 : 1,300,995.66 = 513,038.47 : x
  2. Step 2: Convert to fraction form
    942,730.63/1,300,995.66 = 513,038.47/x
  3. Step 3: Cross multiply
    942,730.63x = 1,300,995.66 × 513,038.47
  4. Step 4: Simplify right side
    942,730.63x = 667,460,822,883.04
  5. Step 5: Solve for x
    x = 667,460,822,883.04/942,730.63
  6. Step 6: Final answer
    x = 708,007.99

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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.