Home / 992,492.10-1,369,599.57-539,783.46

Finding the Fourth Proportional to 992,492.10, 1,369,599.57 and 539,783.46

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Solution

The fourth proportional to 992,492.10, 1,369,599.57 and 539,783.46 is: 744,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,492.10 : 1,369,599.57 = 539,783.46 : x
  2. Step 2: Convert to fraction form
    992,492.10/1,369,599.57 = 539,783.46/x
  3. Step 3: Cross multiply
    992,492.10x = 1,369,599.57 × 539,783.46
  4. Step 4: Simplify right side
    992,492.10x = 739,287,194,709.11
  5. Step 5: Solve for x
    x = 739,287,194,709.11/992,492.10
  6. Step 6: Final answer
    x = 744,879.68

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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.