Home / 910,118.61-1,255,955.13-502,223.94

Finding the Fourth Proportional to 910,118.61, 1,255,955.13 and 502,223.94

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Solution

The fourth proportional to 910,118.61, 1,255,955.13 and 502,223.94 is: 693,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,118.61 : 1,255,955.13 = 502,223.94 : x
  2. Step 2: Convert to fraction form
    910,118.61/1,255,955.13 = 502,223.94/x
  3. Step 3: Cross multiply
    910,118.61x = 1,255,955.13 × 502,223.94
  4. Step 4: Simplify right side
    910,118.61x = 630,770,733,851.81
  5. Step 5: Solve for x
    x = 630,770,733,851.81/910,118.61
  6. Step 6: Final answer
    x = 693,064.32

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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.