Home / 970,044.78-1,338,703.10-540,325.10

Finding the Fourth Proportional to 970,044.78, 1,338,703.10 and 540,325.10

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Solution

The fourth proportional to 970,044.78, 1,338,703.10 and 540,325.10 is: 745,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,044.78 : 1,338,703.10 = 540,325.10 : x
  2. Step 2: Convert to fraction form
    970,044.78/1,338,703.10 = 540,325.10/x
  3. Step 3: Cross multiply
    970,044.78x = 1,338,703.10 × 540,325.10
  4. Step 4: Simplify right side
    970,044.78x = 723,334,883,676.19
  5. Step 5: Solve for x
    x = 723,334,883,676.19/970,044.78
  6. Step 6: Final answer
    x = 745,671.64

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Half scale
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Double scale
Find fourth proportional to 970,045.78, 1,338,704.48 and 540,326.10
Similar ratio
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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.