Home / 977,938.59-1,349,638.15-542,496.23

Finding the Fourth Proportional to 977,938.59, 1,349,638.15 and 542,496.23

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Solution

The fourth proportional to 977,938.59, 1,349,638.15 and 542,496.23 is: 748,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,938.59 : 1,349,638.15 = 542,496.23 : x
  2. Step 2: Convert to fraction form
    977,938.59/1,349,638.15 = 542,496.23/x
  3. Step 3: Cross multiply
    977,938.59x = 1,349,638.15 × 542,496.23
  4. Step 4: Simplify right side
    977,938.59x = 732,173,610,257.03
  5. Step 5: Solve for x
    x = 732,173,610,257.03/977,938.59
  6. Step 6: Final answer
    x = 748,690.78

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Double scale
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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.