Home / 740,253.59-1,021,556.99-434,335.17

Finding the Fourth Proportional to 740,253.59, 1,021,556.99 and 434,335.17

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Solution

The fourth proportional to 740,253.59, 1,021,556.99 and 434,335.17 is: 599,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,253.59 : 1,021,556.99 = 434,335.17 : x
  2. Step 2: Convert to fraction form
    740,253.59/1,021,556.99 = 434,335.17/x
  3. Step 3: Cross multiply
    740,253.59x = 1,021,556.99 × 434,335.17
  4. Step 4: Simplify right side
    740,253.59x = 443,698,128,916.34
  5. Step 5: Solve for x
    x = 443,698,128,916.34/740,253.59
  6. Step 6: Final answer
    x = 599,386.66

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Double scale
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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.