Home / 708,669.24-977,988.16-402,758.53

Finding the Fourth Proportional to 708,669.24, 977,988.16 and 402,758.53

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Solution

The fourth proportional to 708,669.24, 977,988.16 and 402,758.53 is: 555,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,669.24 : 977,988.16 = 402,758.53 : x
  2. Step 2: Convert to fraction form
    708,669.24/977,988.16 = 402,758.53/x
  3. Step 3: Cross multiply
    708,669.24x = 977,988.16 × 402,758.53
  4. Step 4: Simplify right side
    708,669.24x = 393,893,071,737.48
  5. Step 5: Solve for x
    x = 393,893,071,737.48/708,669.24
  6. Step 6: Final answer
    x = 555,820.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.