Home / 750,349.95-1,035,636.08-508,710.21

Finding the Fourth Proportional to 750,349.95, 1,035,636.08 and 508,710.21

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Solution

The fourth proportional to 750,349.95, 1,035,636.08 and 508,710.21 is: 702,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,349.95 : 1,035,636.08 = 508,710.21 : x
  2. Step 2: Convert to fraction form
    750,349.95/1,035,636.08 = 508,710.21/x
  3. Step 3: Cross multiply
    750,349.95x = 1,035,636.08 × 508,710.21
  4. Step 4: Simplify right side
    750,349.95x = 526,838,645,196.83
  5. Step 5: Solve for x
    x = 526,838,645,196.83/750,349.95
  6. Step 6: Final answer
    x = 702,123.92

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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.