Home / 1,256,588.55-1,870,670.52-1,249,115.22

Finding the Fourth Proportional to 1,256,588.55, 1,870,670.52 and 1,249,115.22

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Solution

The fourth proportional to 1,256,588.55, 1,870,670.52 and 1,249,115.22 is: 1,859,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,588.55 : 1,870,670.52 = 1,249,115.22 : x
  2. Step 2: Convert to fraction form
    1,256,588.55/1,870,670.52 = 1,249,115.22/x
  3. Step 3: Cross multiply
    1,256,588.55x = 1,870,670.52 × 1,249,115.22
  4. Step 4: Simplify right side
    1,256,588.55x = 2,336,683,018,137.31
  5. Step 5: Solve for x
    x = 2,336,683,018,137.31/1,256,588.55
  6. Step 6: Final answer
    x = 1,859,545.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.