Home / 739,613.48-1,020,490.41-510,097.40

Finding the Fourth Proportional to 739,613.48, 1,020,490.41 and 510,097.40

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Solution

The fourth proportional to 739,613.48, 1,020,490.41 and 510,097.40 is: 703,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,613.48 : 1,020,490.41 = 510,097.40 : x
  2. Step 2: Convert to fraction form
    739,613.48/1,020,490.41 = 510,097.40/x
  3. Step 3: Cross multiply
    739,613.48x = 1,020,490.41 × 510,097.40
  4. Step 4: Simplify right side
    739,613.48x = 520,549,504,865.93
  5. Step 5: Solve for x
    x = 520,549,504,865.93/739,613.48
  6. Step 6: Final answer
    x = 703,812.90

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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.