Home / 857,095.17-1,182,711.81-475,089.45

Finding the Fourth Proportional to 857,095.17, 1,182,711.81 and 475,089.45

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Solution

The fourth proportional to 857,095.17, 1,182,711.81 and 475,089.45 is: 655,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,095.17 : 1,182,711.81 = 475,089.45 : x
  2. Step 2: Convert to fraction form
    857,095.17/1,182,711.81 = 475,089.45/x
  3. Step 3: Cross multiply
    857,095.17x = 1,182,711.81 × 475,089.45
  4. Step 4: Simplify right side
    857,095.17x = 561,893,903,321.41
  5. Step 5: Solve for x
    x = 561,893,903,321.41/857,095.17
  6. Step 6: Final answer
    x = 655,579.36

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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.