Home / 1,399,701.62-1,931,465.01-779,459.93

Finding the Fourth Proportional to 1,399,701.62, 1,931,465.01 and 779,459.93

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Solution

The fourth proportional to 1,399,701.62, 1,931,465.01 and 779,459.93 is: 1,075,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,701.62 : 1,931,465.01 = 779,459.93 : x
  2. Step 2: Convert to fraction form
    1,399,701.62/1,931,465.01 = 779,459.93/x
  3. Step 3: Cross multiply
    1,399,701.62x = 1,931,465.01 × 779,459.93
  4. Step 4: Simplify right side
    1,399,701.62x = 1,505,499,571,834.72
  5. Step 5: Solve for x
    x = 1,505,499,571,834.72/1,399,701.62
  6. Step 6: Final answer
    x = 1,075,586.08

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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.