Home / 942,731.04-1,300,995.98-513,038.40

Finding the Fourth Proportional to 942,731.04, 1,300,995.98 and 513,038.40

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Solution

The fourth proportional to 942,731.04, 1,300,995.98 and 513,038.40 is: 708,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,731.04 : 1,300,995.98 = 513,038.40 : x
  2. Step 2: Convert to fraction form
    942,731.04/1,300,995.98 = 513,038.40/x
  3. Step 3: Cross multiply
    942,731.04x = 1,300,995.98 × 513,038.40
  4. Step 4: Simplify right side
    942,731.04x = 667,460,895,985.63
  5. Step 5: Solve for x
    x = 667,460,895,985.63/942,731.04
  6. Step 6: Final answer
    x = 708,007.76

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1.5x scale

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.