Home / 1,031,436.74-1,547,153.73-391,739.24

Finding the Fourth Proportional to 1,031,436.74, 1,547,153.73 and 391,739.24

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Solution

The fourth proportional to 1,031,436.74, 1,547,153.73 and 391,739.24 is: 587,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,436.74 : 1,547,153.73 = 391,739.24 : x
  2. Step 2: Convert to fraction form
    1,031,436.74/1,547,153.73 = 391,739.24/x
  3. Step 3: Cross multiply
    1,031,436.74x = 1,547,153.73 × 391,739.24
  4. Step 4: Simplify right side
    1,031,436.74x = 606,080,830,221.25
  5. Step 5: Solve for x
    x = 606,080,830,221.25/1,031,436.74
  6. Step 6: Final answer
    x = 587,608.34

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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.