Home / 910,205.40-1,365,308.10-555,911.40

Finding the Fourth Proportional to 910,205.40, 1,365,308.10 and 555,911.40

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Solution

The fourth proportional to 910,205.40, 1,365,308.10 and 555,911.40 is: 833,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,205.40 : 1,365,308.10 = 555,911.40 : x
  2. Step 2: Convert to fraction form
    910,205.40/1,365,308.10 = 555,911.40/x
  3. Step 3: Cross multiply
    910,205.40x = 1,365,308.10 × 555,911.40
  4. Step 4: Simplify right side
    910,205.40x = 758,990,337,302.34
  5. Step 5: Solve for x
    x = 758,990,337,302.34/910,205.40
  6. Step 6: Final answer
    x = 833,867.10

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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.