Home / 1,130,710.32-1,560,743.90-723,907.82

Finding the Fourth Proportional to 1,130,710.32, 1,560,743.90 and 723,907.82

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Solution

The fourth proportional to 1,130,710.32, 1,560,743.90 and 723,907.82 is: 999,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,710.32 : 1,560,743.90 = 723,907.82 : x
  2. Step 2: Convert to fraction form
    1,130,710.32/1,560,743.90 = 723,907.82/x
  3. Step 3: Cross multiply
    1,130,710.32x = 1,560,743.90 × 723,907.82
  4. Step 4: Simplify right side
    1,130,710.32x = 1,129,834,710,607.76
  5. Step 5: Solve for x
    x = 1,129,834,710,607.76/1,130,710.32
  6. Step 6: Final answer
    x = 999,225.61

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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.