Home / 910,677.53-1,256,702.45-502,771.05

Finding the Fourth Proportional to 910,677.53, 1,256,702.45 and 502,771.05

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Solution

The fourth proportional to 910,677.53, 1,256,702.45 and 502,771.05 is: 693,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,677.53 : 1,256,702.45 = 502,771.05 : x
  2. Step 2: Convert to fraction form
    910,677.53/1,256,702.45 = 502,771.05/x
  3. Step 3: Cross multiply
    910,677.53x = 1,256,702.45 × 502,771.05
  4. Step 4: Simplify right side
    910,677.53x = 631,833,607,810.22
  5. Step 5: Solve for x
    x = 631,833,607,810.22/910,677.53
  6. Step 6: Final answer
    x = 693,806.08

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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.