Home / 1,403,646.80-2,105,259.01-392,637.70

Finding the Fourth Proportional to 1,403,646.80, 2,105,259.01 and 392,637.70

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Solution

The fourth proportional to 1,403,646.80, 2,105,259.01 and 392,637.70 is: 588,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,646.80 : 2,105,259.01 = 392,637.70 : x
  2. Step 2: Convert to fraction form
    1,403,646.80/2,105,259.01 = 392,637.70/x
  3. Step 3: Cross multiply
    1,403,646.80x = 2,105,259.01 × 392,637.70
  4. Step 4: Simplify right side
    1,403,646.80x = 826,604,054,609.08
  5. Step 5: Solve for x
    x = 826,604,054,609.08/1,403,646.80
  6. Step 6: Final answer
    x = 588,897.48

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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.