Home / 708,095.53-977,159.40-385,807.93

Finding the Fourth Proportional to 708,095.53, 977,159.40 and 385,807.93

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Solution

The fourth proportional to 708,095.53, 977,159.40 and 385,807.93 is: 532,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,095.53 : 977,159.40 = 385,807.93 : x
  2. Step 2: Convert to fraction form
    708,095.53/977,159.40 = 385,807.93/x
  3. Step 3: Cross multiply
    708,095.53x = 977,159.40 × 385,807.93
  4. Step 4: Simplify right side
    708,095.53x = 376,995,845,394.04
  5. Step 5: Solve for x
    x = 376,995,845,394.04/708,095.53
  6. Step 6: Final answer
    x = 532,408.17

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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.