Home / 1,406,409.58-1,940,854.53-761,829.76

Finding the Fourth Proportional to 1,406,409.58, 1,940,854.53 and 761,829.76

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Solution

The fourth proportional to 1,406,409.58, 1,940,854.53 and 761,829.76 is: 1,051,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,409.58 : 1,940,854.53 = 761,829.76 : x
  2. Step 2: Convert to fraction form
    1,406,409.58/1,940,854.53 = 761,829.76/x
  3. Step 3: Cross multiply
    1,406,409.58x = 1,940,854.53 × 761,829.76
  4. Step 4: Simplify right side
    1,406,409.58x = 1,478,600,740,784.81
  5. Step 5: Solve for x
    x = 1,478,600,740,784.81/1,406,409.58
  6. Step 6: Final answer
    x = 1,051,330.12

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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.