Home / 740,585.11-1,021,718.10-430,436.16

Finding the Fourth Proportional to 740,585.11, 1,021,718.10 and 430,436.16

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Solution

The fourth proportional to 740,585.11, 1,021,718.10 and 430,436.16 is: 593,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,585.11 : 1,021,718.10 = 430,436.16 : x
  2. Step 2: Convert to fraction form
    740,585.11/1,021,718.10 = 430,436.16/x
  3. Step 3: Cross multiply
    740,585.11x = 1,021,718.10 × 430,436.16
  4. Step 4: Simplify right side
    740,585.11x = 439,784,417,180.63
  5. Step 5: Solve for x
    x = 439,784,417,180.63/740,585.11
  6. Step 6: Final answer
    x = 593,833.73

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Double scale
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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.