Home / 1,292,182.07-1,938,272.98-345,528.19

Finding the Fourth Proportional to 1,292,182.07, 1,938,272.98 and 345,528.19

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Solution

The fourth proportional to 1,292,182.07, 1,938,272.98 and 345,528.19 is: 518,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,182.07 : 1,938,272.98 = 345,528.19 : x
  2. Step 2: Convert to fraction form
    1,292,182.07/1,938,272.98 = 345,528.19/x
  3. Step 3: Cross multiply
    1,292,182.07x = 1,938,272.98 × 345,528.19
  4. Step 4: Simplify right side
    1,292,182.07x = 669,727,944,813.94
  5. Step 5: Solve for x
    x = 669,727,944,813.94/1,292,182.07
  6. Step 6: Final answer
    x = 518,292.24

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Double scale
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1.5x scale

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.