Home / 992,319.27-1,369,790.10-703,440.74

Finding the Fourth Proportional to 992,319.27, 1,369,790.10 and 703,440.74

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Solution

The fourth proportional to 992,319.27, 1,369,790.10 and 703,440.74 is: 971,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,319.27 : 1,369,790.10 = 703,440.74 : x
  2. Step 2: Convert to fraction form
    992,319.27/1,369,790.10 = 703,440.74/x
  3. Step 3: Cross multiply
    992,319.27x = 1,369,790.10 × 703,440.74
  4. Step 4: Simplify right side
    992,319.27x = 963,566,154,739.72
  5. Step 5: Solve for x
    x = 963,566,154,739.72/992,319.27
  6. Step 6: Final answer
    x = 971,024.33

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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.