Home / 859,612.11-1,186,270.39-537,510.75

Finding the Fourth Proportional to 859,612.11, 1,186,270.39 and 537,510.75

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Solution

The fourth proportional to 859,612.11, 1,186,270.39 and 537,510.75 is: 741,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,612.11 : 1,186,270.39 = 537,510.75 : x
  2. Step 2: Convert to fraction form
    859,612.11/1,186,270.39 = 537,510.75/x
  3. Step 3: Cross multiply
    859,612.11x = 1,186,270.39 × 537,510.75
  4. Step 4: Simplify right side
    859,612.11x = 637,633,087,031.69
  5. Step 5: Solve for x
    x = 637,633,087,031.69/859,612.11
  6. Step 6: Final answer
    x = 741,768.39

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Half scale
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Double scale
Find fourth proportional to 859,613.11, 1,186,271.77 and 537,511.75
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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.