Home / 979,521.95-1,351,774.13-543,946.59

Finding the Fourth Proportional to 979,521.95, 1,351,774.13 and 543,946.59

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Solution

The fourth proportional to 979,521.95, 1,351,774.13 and 543,946.59 is: 750,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,521.95 : 1,351,774.13 = 543,946.59 : x
  2. Step 2: Convert to fraction form
    979,521.95/1,351,774.13 = 543,946.59/x
  3. Step 3: Cross multiply
    979,521.95x = 1,351,774.13 × 543,946.59
  4. Step 4: Simplify right side
    979,521.95x = 735,292,925,743.98
  5. Step 5: Solve for x
    x = 735,292,925,743.98/979,521.95
  6. Step 6: Final answer
    x = 750,665.08

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Double scale
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1.5x scale

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.