Home / 677,554.29-935,018.55-371,624.45

Finding the Fourth Proportional to 677,554.29, 935,018.55 and 371,624.45

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Solution

The fourth proportional to 677,554.29, 935,018.55 and 371,624.45 is: 512,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,554.29 : 935,018.55 = 371,624.45 : x
  2. Step 2: Convert to fraction form
    677,554.29/935,018.55 = 371,624.45/x
  3. Step 3: Cross multiply
    677,554.29x = 935,018.55 × 371,624.45
  4. Step 4: Simplify right side
    677,554.29x = 347,475,749,708.46
  5. Step 5: Solve for x
    x = 347,475,749,708.46/677,554.29
  6. Step 6: Final answer
    x = 512,838.24

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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.