Home / 1,292,209.40-1,938,314.10-583,621.40

Finding the Fourth Proportional to 1,292,209.40, 1,938,314.10 and 583,621.40

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Solution

The fourth proportional to 1,292,209.40, 1,938,314.10 and 583,621.40 is: 875,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,209.40 : 1,938,314.10 = 583,621.40 : x
  2. Step 2: Convert to fraction form
    1,292,209.40/1,938,314.10 = 583,621.40/x
  3. Step 3: Cross multiply
    1,292,209.40x = 1,938,314.10 × 583,621.40
  4. Step 4: Simplify right side
    1,292,209.40x = 1,131,241,588,681.74
  5. Step 5: Solve for x
    x = 1,131,241,588,681.74/1,292,209.40
  6. Step 6: Final answer
    x = 875,432.10

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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.