Home / 985,312.64-1,359,615.90-555,567.16

Finding the Fourth Proportional to 985,312.64, 1,359,615.90 and 555,567.16

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Solution

The fourth proportional to 985,312.64, 1,359,615.90 and 555,567.16 is: 766,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,312.64 : 1,359,615.90 = 555,567.16 : x
  2. Step 2: Convert to fraction form
    985,312.64/1,359,615.90 = 555,567.16/x
  3. Step 3: Cross multiply
    985,312.64x = 1,359,615.90 × 555,567.16
  4. Step 4: Simplify right side
    985,312.64x = 755,357,944,253.84
  5. Step 5: Solve for x
    x = 755,357,944,253.84/985,312.64
  6. Step 6: Final answer
    x = 766,617.53

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Double scale
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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.