Home / 1,129,746-1,558,364.85-670,558.02

Finding the Fourth Proportional to 1,129,746, 1,558,364.85 and 670,558.02

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Solution

The fourth proportional to 1,129,746, 1,558,364.85 and 670,558.02 is: 924,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,746 : 1,558,364.85 = 670,558.02 : x
  2. Step 2: Convert to fraction form
    1,129,746/1,558,364.85 = 670,558.02/x
  3. Step 3: Cross multiply
    1,129,746x = 1,558,364.85 × 670,558.02
  4. Step 4: Simplify right side
    1,129,746x = 1,044,974,048,253.60
  5. Step 5: Solve for x
    x = 1,044,974,048,253.60/1,129,746
  6. Step 6: Final answer
    x = 924,963.71

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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.