Home / 1,931,330.70-2,897,384.85-668,897.10

Finding the Fourth Proportional to 1,931,330.70, 2,897,384.85 and 668,897.10

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Solution

The fourth proportional to 1,931,330.70, 2,897,384.85 and 668,897.10 is: 1,003,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,330.70 : 2,897,384.85 = 668,897.10 : x
  2. Step 2: Convert to fraction form
    1,931,330.70/2,897,384.85 = 668,897.10/x
  3. Step 3: Cross multiply
    1,931,330.70x = 2,897,384.85 × 668,897.10
  4. Step 4: Simplify right side
    1,931,330.70x = 1,938,052,323,748.94
  5. Step 5: Solve for x
    x = 1,938,052,323,748.94/1,931,330.70
  6. Step 6: Final answer
    x = 1,003,480.31

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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.