Home / 981,050.54-1,353,006.69-636,547.01

Finding the Fourth Proportional to 981,050.54, 1,353,006.69 and 636,547.01

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Solution

The fourth proportional to 981,050.54, 1,353,006.69 and 636,547.01 is: 877,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,050.54 : 1,353,006.69 = 636,547.01 : x
  2. Step 2: Convert to fraction form
    981,050.54/1,353,006.69 = 636,547.01/x
  3. Step 3: Cross multiply
    981,050.54x = 1,353,006.69 × 636,547.01
  4. Step 4: Simplify right side
    981,050.54x = 861,252,353,877.41
  5. Step 5: Solve for x
    x = 861,252,353,877.41/981,050.54
  6. Step 6: Final answer
    x = 877,887.86

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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.