Home / 1,386,530.21-2,078,466.71-586,711.51

Finding the Fourth Proportional to 1,386,530.21, 2,078,466.71 and 586,711.51

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Solution

The fourth proportional to 1,386,530.21, 2,078,466.71 and 586,711.51 is: 879,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,530.21 : 2,078,466.71 = 586,711.51 : x
  2. Step 2: Convert to fraction form
    1,386,530.21/2,078,466.71 = 586,711.51/x
  3. Step 3: Cross multiply
    1,386,530.21x = 2,078,466.71 × 586,711.51
  4. Step 4: Simplify right side
    1,386,530.21x = 1,219,460,333,779.11
  5. Step 5: Solve for x
    x = 1,219,460,333,779.11/1,386,530.21
  6. Step 6: Final answer
    x = 879,505.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.