Home / 1,186,339.40-1,779,336.30-344,803.40

Finding the Fourth Proportional to 1,186,339.40, 1,779,336.30 and 344,803.40

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Solution

The fourth proportional to 1,186,339.40, 1,779,336.30 and 344,803.40 is: 517,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,339.40 : 1,779,336.30 = 344,803.40 : x
  2. Step 2: Convert to fraction form
    1,186,339.40/1,779,336.30 = 344,803.40/x
  3. Step 3: Cross multiply
    1,186,339.40x = 1,779,336.30 × 344,803.40
  4. Step 4: Simplify right side
    1,186,339.40x = 613,521,205,983.42
  5. Step 5: Solve for x
    x = 613,521,205,983.42/1,186,339.40
  6. Step 6: Final answer
    x = 517,154.88

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Double scale
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1.5x scale

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.