Home / 1,430,533-1,974,064.98-857,461.96

Finding the Fourth Proportional to 1,430,533, 1,974,064.98 and 857,461.96

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Solution

The fourth proportional to 1,430,533, 1,974,064.98 and 857,461.96 is: 1,183,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,533 : 1,974,064.98 = 857,461.96 : x
  2. Step 2: Convert to fraction form
    1,430,533/1,974,064.98 = 857,461.96/x
  3. Step 3: Cross multiply
    1,430,533x = 1,974,064.98 × 857,461.96
  4. Step 4: Simplify right side
    1,430,533x = 1,692,685,626,918.16
  5. Step 5: Solve for x
    x = 1,692,685,626,918.16/1,430,533
  6. Step 6: Final answer
    x = 1,183,255.21

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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.