Home / 1,030,352.40-1,421,885.34-577,643.40

Finding the Fourth Proportional to 1,030,352.40, 1,421,885.34 and 577,643.40

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Solution

The fourth proportional to 1,030,352.40, 1,421,885.34 and 577,643.40 is: 797,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,352.40 : 1,421,885.34 = 577,643.40 : x
  2. Step 2: Convert to fraction form
    1,030,352.40/1,421,885.34 = 577,643.40/x
  3. Step 3: Cross multiply
    1,030,352.40x = 1,421,885.34 × 577,643.40
  4. Step 4: Simplify right side
    1,030,352.40x = 821,342,682,207.76
  5. Step 5: Solve for x
    x = 821,342,682,207.76/1,030,352.40
  6. Step 6: Final answer
    x = 797,147.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.