Home / 708,016.95-977,060.48-385,726.05

Finding the Fourth Proportional to 708,016.95, 977,060.48 and 385,726.05

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Solution

The fourth proportional to 708,016.95, 977,060.48 and 385,726.05 is: 532,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,016.95 : 977,060.48 = 385,726.05 : x
  2. Step 2: Convert to fraction form
    708,016.95/977,060.48 = 385,726.05/x
  3. Step 3: Cross multiply
    708,016.95x = 977,060.48 × 385,726.05
  4. Step 4: Simplify right side
    708,016.95x = 376,877,677,632.87
  5. Step 5: Solve for x
    x = 376,877,677,632.87/708,016.95
  6. Step 6: Final answer
    x = 532,300.36

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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.