Home / 850,312.35-1,173,386.76-528,015.53

Finding the Fourth Proportional to 850,312.35, 1,173,386.76 and 528,015.53

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Solution

The fourth proportional to 850,312.35, 1,173,386.76 and 528,015.53 is: 728,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,312.35 : 1,173,386.76 = 528,015.53 : x
  2. Step 2: Convert to fraction form
    850,312.35/1,173,386.76 = 528,015.53/x
  3. Step 3: Cross multiply
    850,312.35x = 1,173,386.76 × 528,015.53
  4. Step 4: Simplify right side
    850,312.35x = 619,566,426,329.49
  5. Step 5: Solve for x
    x = 619,566,426,329.49/850,312.35
  6. Step 6: Final answer
    x = 728,633.93

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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.