Home / 910,681.15-1,256,733.20-502,782.91

Finding the Fourth Proportional to 910,681.15, 1,256,733.20 and 502,782.91

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Solution

The fourth proportional to 910,681.15, 1,256,733.20 and 502,782.91 is: 693,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,681.15 : 1,256,733.20 = 502,782.91 : x
  2. Step 2: Convert to fraction form
    910,681.15/1,256,733.20 = 502,782.91/x
  3. Step 3: Cross multiply
    910,681.15x = 1,256,733.20 × 502,782.91
  4. Step 4: Simplify right side
    910,681.15x = 631,863,972,875.70
  5. Step 5: Solve for x
    x = 631,863,972,875.70/910,681.15
  6. Step 6: Final answer
    x = 693,836.67

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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.