Home / 1,525,389.57-2,105,069.76-837,055.41

Finding the Fourth Proportional to 1,525,389.57, 2,105,069.76 and 837,055.41

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Solution

The fourth proportional to 1,525,389.57, 2,105,069.76 and 837,055.41 is: 1,155,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,389.57 : 2,105,069.76 = 837,055.41 : x
  2. Step 2: Convert to fraction form
    1,525,389.57/2,105,069.76 = 837,055.41/x
  3. Step 3: Cross multiply
    1,525,389.57x = 2,105,069.76 × 837,055.41
  4. Step 4: Simplify right side
    1,525,389.57x = 1,762,060,031,035.40
  5. Step 5: Solve for x
    x = 1,762,060,031,035.40/1,525,389.57
  6. Step 6: Final answer
    x = 1,155,154.11

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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.