Home / 1,031,365.12-1,547,013.64-424,132.42

Finding the Fourth Proportional to 1,031,365.12, 1,547,013.64 and 424,132.42

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Solution

The fourth proportional to 1,031,365.12, 1,547,013.64 and 424,132.42 is: 636,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,365.12 : 1,547,013.64 = 424,132.42 : x
  2. Step 2: Convert to fraction form
    1,031,365.12/1,547,013.64 = 424,132.42/x
  3. Step 3: Cross multiply
    1,031,365.12x = 1,547,013.64 × 424,132.42
  4. Step 4: Simplify right side
    1,031,365.12x = 656,138,638,906.21
  5. Step 5: Solve for x
    x = 656,138,638,906.21/1,031,365.12
  6. Step 6: Final answer
    x = 636,184.63

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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.