Home / 1,185,768.95-1,778,702.63-344,320.70

Finding the Fourth Proportional to 1,185,768.95, 1,778,702.63 and 344,320.70

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Solution

The fourth proportional to 1,185,768.95, 1,778,702.63 and 344,320.70 is: 516,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,768.95 : 1,778,702.63 = 344,320.70 : x
  2. Step 2: Convert to fraction form
    1,185,768.95/1,778,702.63 = 344,320.70/x
  3. Step 3: Cross multiply
    1,185,768.95x = 1,778,702.63 × 344,320.70
  4. Step 4: Simplify right side
    1,185,768.95x = 612,444,124,038.32
  5. Step 5: Solve for x
    x = 612,444,124,038.32/1,185,768.95
  6. Step 6: Final answer
    x = 516,495.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.