Home / 763,341.85-1,053,370.60-423,788.23

Finding the Fourth Proportional to 763,341.85, 1,053,370.60 and 423,788.23

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Solution

The fourth proportional to 763,341.85, 1,053,370.60 and 423,788.23 is: 584,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,341.85 : 1,053,370.60 = 423,788.23 : x
  2. Step 2: Convert to fraction form
    763,341.85/1,053,370.60 = 423,788.23/x
  3. Step 3: Cross multiply
    763,341.85x = 1,053,370.60 × 423,788.23
  4. Step 4: Simplify right side
    763,341.85x = 446,406,062,108.04
  5. Step 5: Solve for x
    x = 446,406,062,108.04/763,341.85
  6. Step 6: Final answer
    x = 584,804.91

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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.