Home / 779,374.49-1,076,279.64-736,916.92

Finding the Fourth Proportional to 779,374.49, 1,076,279.64 and 736,916.92

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Solution

The fourth proportional to 779,374.49, 1,076,279.64 and 736,916.92 is: 1,017,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,374.49 : 1,076,279.64 = 736,916.92 : x
  2. Step 2: Convert to fraction form
    779,374.49/1,076,279.64 = 736,916.92/x
  3. Step 3: Cross multiply
    779,374.49x = 1,076,279.64 × 736,916.92
  4. Step 4: Simplify right side
    779,374.49x = 793,128,671,913.37
  5. Step 5: Solve for x
    x = 793,128,671,913.37/779,374.49
  6. Step 6: Final answer
    x = 1,017,647.73

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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.