Home / 992,387.04-1,369,883.28-703,508.40

Finding the Fourth Proportional to 992,387.04, 1,369,883.28 and 703,508.40

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Solution

The fourth proportional to 992,387.04, 1,369,883.28 and 703,508.40 is: 971,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,387.04 : 1,369,883.28 = 703,508.40 : x
  2. Step 2: Convert to fraction form
    992,387.04/1,369,883.28 = 703,508.40/x
  3. Step 3: Cross multiply
    992,387.04x = 1,369,883.28 × 703,508.40
  4. Step 4: Simplify right side
    992,387.04x = 963,724,394,499.55
  5. Step 5: Solve for x
    x = 963,724,394,499.55/992,387.04
  6. Step 6: Final answer
    x = 971,117.47

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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.