Home / 1,038,853.26-1,430,419.91-885,547.80

Finding the Fourth Proportional to 1,038,853.26, 1,430,419.91 and 885,547.80

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Solution

The fourth proportional to 1,038,853.26, 1,430,419.91 and 885,547.80 is: 1,219,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,853.26 : 1,430,419.91 = 885,547.80 : x
  2. Step 2: Convert to fraction form
    1,038,853.26/1,430,419.91 = 885,547.80/x
  3. Step 3: Cross multiply
    1,038,853.26x = 1,430,419.91 × 885,547.80
  4. Step 4: Simplify right side
    1,038,853.26x = 1,266,705,199,948.96
  5. Step 5: Solve for x
    x = 1,266,705,199,948.96/1,038,853.26
  6. Step 6: Final answer
    x = 1,219,330.24

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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.