Home / 910,438.02-1,256,397.54-502,539.81

Finding the Fourth Proportional to 910,438.02, 1,256,397.54 and 502,539.81

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Solution

The fourth proportional to 910,438.02, 1,256,397.54 and 502,539.81 is: 693,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,438.02 : 1,256,397.54 = 502,539.81 : x
  2. Step 2: Convert to fraction form
    910,438.02/1,256,397.54 = 502,539.81/x
  3. Step 3: Cross multiply
    910,438.02x = 1,256,397.54 × 502,539.81
  4. Step 4: Simplify right side
    910,438.02x = 631,389,781,036.07
  5. Step 5: Solve for x
    x = 631,389,781,036.07/910,438.02
  6. Step 6: Final answer
    x = 693,501.11

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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.