Home / 936,341.60-1,402,136.40-515,141.60

Finding the Fourth Proportional to 936,341.60, 1,402,136.40 and 515,141.60

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Solution

The fourth proportional to 936,341.60, 1,402,136.40 and 515,141.60 is: 771,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,341.60 : 1,402,136.40 = 515,141.60 : x
  2. Step 2: Convert to fraction form
    936,341.60/1,402,136.40 = 515,141.60/x
  3. Step 3: Cross multiply
    936,341.60x = 1,402,136.40 × 515,141.60
  4. Step 4: Simplify right side
    936,341.60x = 722,298,788,514.24
  5. Step 5: Solve for x
    x = 722,298,788,514.24/936,341.60
  6. Step 6: Final answer
    x = 771,405.21

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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.