Home / 760,135.76-1,048,915.92-514,621.10

Finding the Fourth Proportional to 760,135.76, 1,048,915.92 and 514,621.10

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Solution

The fourth proportional to 760,135.76, 1,048,915.92 and 514,621.10 is: 710,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,135.76 : 1,048,915.92 = 514,621.10 : x
  2. Step 2: Convert to fraction form
    760,135.76/1,048,915.92 = 514,621.10/x
  3. Step 3: Cross multiply
    760,135.76x = 1,048,915.92 × 514,621.10
  4. Step 4: Simplify right side
    760,135.76x = 539,794,264,557.91
  5. Step 5: Solve for x
    x = 539,794,264,557.91/760,135.76
  6. Step 6: Final answer
    x = 710,128.76

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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.