Home / 710,962.48-981,139.86-424,507.60

Finding the Fourth Proportional to 710,962.48, 981,139.86 and 424,507.60

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Solution

The fourth proportional to 710,962.48, 981,139.86 and 424,507.60 is: 585,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,962.48 : 981,139.86 = 424,507.60 : x
  2. Step 2: Convert to fraction form
    710,962.48/981,139.86 = 424,507.60/x
  3. Step 3: Cross multiply
    710,962.48x = 981,139.86 × 424,507.60
  4. Step 4: Simplify right side
    710,962.48x = 416,501,327,232.94
  5. Step 5: Solve for x
    x = 416,501,327,232.94/710,962.48
  6. Step 6: Final answer
    x = 585,827.44

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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.