Home / 1,028,953.06-1,543,430.20-429,587.48

Finding the Fourth Proportional to 1,028,953.06, 1,543,430.20 and 429,587.48

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Solution

The fourth proportional to 1,028,953.06, 1,543,430.20 and 429,587.48 is: 644,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,953.06 : 1,543,430.20 = 429,587.48 : x
  2. Step 2: Convert to fraction form
    1,028,953.06/1,543,430.20 = 429,587.48/x
  3. Step 3: Cross multiply
    1,028,953.06x = 1,543,430.20 × 429,587.48
  4. Step 4: Simplify right side
    1,028,953.06x = 663,038,290,173.90
  5. Step 5: Solve for x
    x = 663,038,290,173.90/1,028,953.06
  6. Step 6: Final answer
    x = 644,381.47

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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.