Home / 910,337.40-1,365,506.10-377,802.90

Finding the Fourth Proportional to 910,337.40, 1,365,506.10 and 377,802.90

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Solution

The fourth proportional to 910,337.40, 1,365,506.10 and 377,802.90 is: 566,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,337.40 : 1,365,506.10 = 377,802.90 : x
  2. Step 2: Convert to fraction form
    910,337.40/1,365,506.10 = 377,802.90/x
  3. Step 3: Cross multiply
    910,337.40x = 1,365,506.10 × 377,802.90
  4. Step 4: Simplify right side
    910,337.40x = 515,892,164,547.69
  5. Step 5: Solve for x
    x = 515,892,164,547.69/910,337.40
  6. Step 6: Final answer
    x = 566,704.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.