Home / 1,432,904.52-1,977,547.80-1,069,697.69

Finding the Fourth Proportional to 1,432,904.52, 1,977,547.80 and 1,069,697.69

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Solution

The fourth proportional to 1,432,904.52, 1,977,547.80 and 1,069,697.69 is: 1,476,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,904.52 : 1,977,547.80 = 1,069,697.69 : x
  2. Step 2: Convert to fraction form
    1,432,904.52/1,977,547.80 = 1,069,697.69/x
  3. Step 3: Cross multiply
    1,432,904.52x = 1,977,547.80 × 1,069,697.69
  4. Step 4: Simplify right side
    1,432,904.52x = 2,115,378,303,636.84
  5. Step 5: Solve for x
    x = 2,115,378,303,636.84/1,432,904.52
  6. Step 6: Final answer
    x = 1,476,286.99

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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.