Home / 910,683.15-1,256,735.95-502,784.91

Finding the Fourth Proportional to 910,683.15, 1,256,735.95 and 502,784.91

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Solution

The fourth proportional to 910,683.15, 1,256,735.95 and 502,784.91 is: 693,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,683.15 : 1,256,735.95 = 502,784.91 : x
  2. Step 2: Convert to fraction form
    910,683.15/1,256,735.95 = 502,784.91/x
  3. Step 3: Cross multiply
    910,683.15x = 1,256,735.95 × 502,784.91
  4. Step 4: Simplify right side
    910,683.15x = 631,867,871,514.51
  5. Step 5: Solve for x
    x = 631,867,871,514.51/910,683.15
  6. Step 6: Final answer
    x = 693,839.42

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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.