Home / 910,588.29-1,256,613.70-502,690.69

Finding the Fourth Proportional to 910,588.29, 1,256,613.70 and 502,690.69

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Solution

The fourth proportional to 910,588.29, 1,256,613.70 and 502,690.69 is: 693,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,588.29 : 1,256,613.70 = 502,690.69 : x
  2. Step 2: Convert to fraction form
    910,588.29/1,256,613.70 = 502,690.69/x
  3. Step 3: Cross multiply
    910,588.29x = 1,256,613.70 × 502,690.69
  4. Step 4: Simplify right side
    910,588.29x = 631,688,011,686.35
  5. Step 5: Solve for x
    x = 631,688,011,686.35/910,588.29
  6. Step 6: Final answer
    x = 693,714.18

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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.