Home / 1,236,288.70-1,853,547.45-477,480.70

Finding the Fourth Proportional to 1,236,288.70, 1,853,547.45 and 477,480.70

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Solution

The fourth proportional to 1,236,288.70, 1,853,547.45 and 477,480.70 is: 715,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,288.70 : 1,853,547.45 = 477,480.70 : x
  2. Step 2: Convert to fraction form
    1,236,288.70/1,853,547.45 = 477,480.70/x
  3. Step 3: Cross multiply
    1,236,288.70x = 1,853,547.45 × 477,480.70
  4. Step 4: Simplify right side
    1,236,288.70x = 885,033,133,909.22
  5. Step 5: Solve for x
    x = 885,033,133,909.22/1,236,288.70
  6. Step 6: Final answer
    x = 715,879.01

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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.