Home / 1,401,322.50-1,934,140.05-917,606.70

Finding the Fourth Proportional to 1,401,322.50, 1,934,140.05 and 917,606.70

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Solution

The fourth proportional to 1,401,322.50, 1,934,140.05 and 917,606.70 is: 1,266,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,322.50 : 1,934,140.05 = 917,606.70 : x
  2. Step 2: Convert to fraction form
    1,401,322.50/1,934,140.05 = 917,606.70/x
  3. Step 3: Cross multiply
    1,401,322.50x = 1,934,140.05 × 917,606.70
  4. Step 4: Simplify right side
    1,401,322.50x = 1,774,779,868,618.34
  5. Step 5: Solve for x
    x = 1,774,779,868,618.34/1,401,322.50
  6. Step 6: Final answer
    x = 1,266,503.51

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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.