Home / 705,018.94-972,927.35-403,212.94

Finding the Fourth Proportional to 705,018.94, 972,927.35 and 403,212.94

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Solution

The fourth proportional to 705,018.94, 972,927.35 and 403,212.94 is: 556,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,018.94 : 972,927.35 = 403,212.94 : x
  2. Step 2: Convert to fraction form
    705,018.94/972,927.35 = 403,212.94/x
  3. Step 3: Cross multiply
    705,018.94x = 972,927.35 × 403,212.94
  4. Step 4: Simplify right side
    705,018.94x = 392,296,894,263.57
  5. Step 5: Solve for x
    x = 392,296,894,263.57/705,018.94
  6. Step 6: Final answer
    x = 556,434.55

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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.